NCP Domain 2 · Physical Aspects of Care
Dietary Law in Inpatient Care
Many medications contain animal-derived ingredients (gelatin capsules, porcine heparin) that patients following halal, kosher, or other dietary law may want to know about. This page explains what the evidence shows about this under-recognized problem, and the alternatives that often exist.
Viewing as: Patient & Family · Change
Scope: the medication-excipient problem and hospital food provision, not general food-menu logistics. Tradition-specific permissibility below comes from secondary sources only. Not clinical or religious guidance.
Prepare a conversation
Food & medicine ingredients
Help a person say what they eat and which medicine ingredients matter to them, and get honest options.
This conversation can help clarify
- What the person eats and avoids, in their own words
- Medicine ingredients that matter, such as gelatin, animal-derived heparin or alcohol
- Whether to be told about ingredients, and what to do when no alternative exists
- Meals, tube feeding and food from home
- Who to consult, if anyone
This does not
- Does not state what any religion permits or forbids.
- Does not promise an alternative exists or works as well.
- Does not decide for the person when no alternative exists.
Optional questions
Use any, none, or your own. Skipping is always fine.
Food
- What do you eat, and what do you avoid?
- Does anything change for you when you are unwell?
Medicines
- Do you want to know if a medicine contains animal products or alcohol?
- If there is no alternative, how do you want to be told?
Practical
- Can family bring food? Does anything about meal times or preparation matter to you?
Counsel
- Is there anyone you want to consult before deciding?
Notes stay in this browser. The person reviews what goes into the handoff, section by section; nothing is shared with a caregiver or professional automatically.
How these conversations work
- Skip anything
- Every question is optional. No one has to retell painful events, name a diagnosis, or choose a religion or identity to begin.
- Pause or stop
- Stop at any point. Nothing is sent anywhere, and nothing is shared unless the person chooses it in the sharing review.
- Whose words
- Record who said each thing: the person, a caregiver or surrogate, or a professional. A caregiver's needs get their own field.
- Support to take part
- Extra time, a quieter place, pictures, an interpreter or a trusted person can help someone say what matters. Ask what helps.
- Barriers are not preferences
- Cost, travel, work, housing, caring for others and digital access are written down as barriers, not as what the person wants.
- Meaning, religious or not
- Hope, purpose, faith, relationships and identity can be part of the conversation if the person wants. None is assumed.
Who can help
- Pharmacist: Medicine ingredients and alternatives, with their tradeoffs.
- Dietitian: Meals and nutrition support that fit the person's needs.
- Nurse: The care plan, meal orders and food from home.
- Physician: Whether an alternative medicine is suitable.
- Chaplain or spiritual-care provider: Meaning, distress, hope and relationships, for people of any faith or none.
- Interpreter or communication specialist: Language and communication support so the person's own words come through.
- People the person chooses: Family, friends, or a community or faith contact, only if the person wants them. Never assumed safe, available or wanted.
Roles, titles and training differ by country and service. Not every role exists everywhere.
What other settings show (12 sourced examples)
A small set of places chosen for contrast, not a ranking or a representative survey: United Kingdom, Norway, United States, Australia, India, Thailand, Saudi Arabia, Multi-country, Malaysia, Global, Ethiopia. Each example states what its source establishes and what it does not. Policy on paper is not proof that a service is available.
- Policy, not outcomes:
- Shows what is written or recommended. It does not show that it is followed or what results.
- Abstract only:
- Read from the abstract. The full paper may add or qualify this.
- Service as described:
- Describes a service when the source was written. Whether it still runs is not verified.
- Guidance, not outcomes:
- Shows what is written or recommended. It does not show that it is followed or what results.
United Kingdom · Policy · 2012
Under the UK Human Medicines Regulations 2012, Schedule 24, Part 1, packaging must list all excipients for injectable, topical and eye products. For other forms, it must list only excipients with a recognized action or effect named in guidance.
Limits: Policy, not outcomes
What others could learn: Where law limits the excipient list on oral and other non-injectable products, a label may not answer a question about animal-derived content. A prescriber or pharmacist may need to ask the manufacturer or a medicines information service, and record the answer.
Conditions, limits and source
- Conditions that matter:
- Depends on manufacturer disclosure, pharmacist or medicines information access to supplier data, and time in the visit to ask. The reader also needs the current excipient guidance, which this record does not include.
- Cannot be inferred:
- Whether any given product lists gelatin or another animal-derived excipient; what the excipient guidance contains; how well manufacturers or services comply; any other country's labeling rules; that these labels meet the needs of people with religious or ethical dietary requirements.
- Limits:
- Statute text only. The excipient guidance it points to (published under regulation 257D) was not retrieved. The page lists later amendments (including changes tied to the Windsor Framework) and pending changes; differences in extent within the UK were not analyzed. Schedule 24 separately requires the species of animal origin for advanced therapy products that contain animal cells or tissues (paragraph 38); that provision is not quoted. The quoted paragraph does not mention animal origin of ordinary excipients.
Source: UK Government (legislation.gov.uk, The National Archives), The Human Medicines Regulations 2012 (S.I. 2012/1916), Schedule 24 (Packaging information requirements), Part 1 (Schedule 24, Part 1 (Outer and immediate packaging), paragraph 7; the package-leaflet equivalent is in Schedule 27). Where: United Kingdom. Population: Patients, prescribers and pharmacists handling licensed human medicines. Published 2012-08-14; retrieved 2026-10-11.
Norway · Reported experience · 2019
In focus groups at one inner-city Oslo hospital medical unit, nurses said they tended to serve Muslim patients halal food without asking whether that was what the patient preferred.
What others could learn: A halal tray can leave individual preference unasked. Some interviewed patients said they did not trust that food was acceptable and ate only what they were sure of, while others accepted staff assurance. Asking each patient what they want, and how it was prepared, can replace assumptions about a group.
Conditions, limits and source
- Conditions that matter:
- A kitchen that can offer individual options and answer questions about preparation and sourcing; nurse time and training; interpreters (the study used them when needed); a place to record individual preferences.
- Cannot be inferred:
- Not representative of Norwegian hospitals or of Muslim patients generally. Shows what participants reported, not food intake, nutritional outcomes or how food was actually sourced. Ten patient interviews cannot show how common distrust is.
- Limits:
- Single hospital and a small patient sample recruited by ward nursing staff. None of the focus group nurses were Muslim. The author calls the nurse survey a small pilot. Statements about dietary rules in the paper are the participants' or the author's, not ours. Data collection dates were not located in the text.
Source: Nursing Open (Wiley), Hospital food: When nurses' and ethnic minority patients' understanding of Islamic dietary needs differ (Results, 'Nurses' assessments of their competencies'; patient accounts in 'Dietary customs as seen by patient interviewees'). Where: Norway (Oslo). Population: Medical unit nurses (focus groups, n=11; questionnaire, n=145) and ten first-generation Asian and African immigrant inpatients. Published 2019-08-10; retrieved 2026-10-11.
United States · Measured outcome · 2025
In a US survey of 1,281 self-reported Muslim adults, 93% rated halal food and 92% rated medications without pork or alcohol as important hospital resources, while a minority said these were available.
Limits: Abstract only
What others could learn: Where the people most affected rate food and medication content as important but few find it available, a simple intake question about food and medicine content may surface needs that otherwise go unmet. Respondents who were asked about religious affiliation had higher odds of saying their needs were met.
Conditions, limits and source
- Conditions that matter:
- Staff time to ask; a menu with halal options; a pharmacy able to check or substitute medicines; a clear route to escalate. None of these were assessed in the survey.
- Cannot be inferred:
- Not a probability sample; not representative of all US Muslims or hospitals. Does not say which products contained which ingredients or whether alternatives existed. Does not show that asking improves outcomes.
- Limits:
- Abstract only. Convenience sampling at events and online; self-reported religious identity. The abstract gives availability percentages with counts that imply a denominator of roughly 650 rather than the full 1,281 (111 is 17% of about 650), and the abstract does not state the denominators. It also reports that 9.3% (n = 59) found medication without pork or alcohol available and that only 27% (N = 173) said they were asked whether they identified as Muslim.
Source: Journal of General Internal Medicine (Springer Nature), Muslim Patients' Religious & Spiritual Resource Needs in US Hospitals: Findings from a National Survey (Abstract, Key Results). Where: United States. Population: Self-reported Muslim adults recruited at community events and online (n=1,281). Published 2025-02; retrieved 2026-10-11.
Australia · Service described in 2026
In a survey of food service dietitians (67 responses) across Australia, hospitals reported providing halal meals (72%) and kosher meals (52%) far more often than specific foods for Aboriginal and Torres Strait Islander patients (19%).
Limits: Abstract only · Service as described
What others could learn: A menu review can check religious, ethical and cultural food needs together rather than one list at a time. Having halal or kosher lines does not show that other cultural needs are met, and the reverse. A hospital could ask patients what is missing.
Conditions, limits and source
- Conditions that matter:
- Dietitian-led menu review; procurement able to source specific items; involvement of the communities concerned (the authors' affiliations include a First Nations unit; their role is not described in the abstract).
- Cannot be inferred:
- Whether the halal and kosher meals met patients' needs; whether any vegetarian, vegan or other lines exist; how Australian hospitals overall compare; whether menus changed after the survey.
- Limits:
- Abstract only. Convenience and snowball sampling; 45% of responses came from Victoria. Reports availability by respondent, not quality, variety, uptake or patient satisfaction. 'Provided' is not defined in the abstract.
Source: Nutrition & Dietetics (Dietitians Australia); authors at Royal Melbourne Hospital and La Trobe University, Provision of Indigenous foods in Australian hospitals, a cross-sectional study (Abstract, Results). Where: Australia. Population: Food service dietitians reporting for inpatient hospitals (public and private). Published 2026-06; retrieved 2026-10-11.
India · Measured outcome · 2024
In an online survey of 114 Indian neonatologists and pediatricians, 12 (10.5%) said they always tell parents that exogenous surfactants are animal-derived, and none offered parents a choice between bovine and porcine preparations.
Limits: Abstract only
What others could learn: A choice between products can fail on supply alone: 27 respondents (23.7%) said they wanted to offer a choice but did not stock both bovine and porcine preparations. The authors suggest using the antenatal period to take a cultural or spiritual history and consent.
Conditions, limits and source
- Conditions that matter:
- Stocking both product types; a disclosure step in consent; antenatal contact; clinician awareness of product origin.
- Cannot be inferred:
- Not representative of Indian neonatal care. Does not show what parents want or what happens in practice beyond clinicians' own reports. Surfactants are one product class; this does not describe other medicines.
- Limits:
- Abstract only. Self-selected web survey of clinicians, with no response rate in the abstract. It reports clinicians' views of what parents want ('presuming that it would be irrelevant'), not parents' views.
Source: Indian Journal of Medical Ethics, Surfactants and the importance of informed consent: Nurturing culturally competent care in healthcare settings (Abstract, Results). Where: India. Population: Neonatologists and pediatricians who use surfactants in neonatal care (n=114). Published 2024 (Jul-Sep issue); retrieved 2026-10-11.
Thailand · Reported experience · 2023
In 2020 interviews, vaccination providers in Thailand's three southern border provinces reported that some parents who refused the measles-mumps-rubella vaccine asked to be shown a halal symbol and believed it contained pork.
What others could learn: When parents ask about ingredients, verbal assurance may not settle it: one provider said parents still did not believe that the vaccine was not made from pig products. Staff might keep written ingredient information ready and involve a community or religious leader the family trusts, as the authors suggest.
Conditions, limits and source
- Conditions that matter:
- Written ingredient information from the manufacturer or ministry; absence of a halal mark on the vaccine (as the authors describe); trained staff; engagement with religious and community leaders.
- Cannot be inferred:
- How common these views are among parents; whether the vaccines contain porcine ingredients; what any religious authority has ruled; effect of any intervention on uptake. Not a national finding.
- Limits:
- Staff describe parents; parents were not interviewed. The paper cites a Thai health official for the claim that vaccines in the national schedule contain no porcine gelatin; we did not verify it.
Source: Clinical and Experimental Vaccine Research (Korean Vaccine Society), Barriers to measles mumps rubella vaccine acceptance in the three southern border provinces of Thailand (Results, Theme 1 'Religious beliefs', subtheme 'Haram (prohibited)'). Where: Thailand (southern border provinces: Yala, Pattani, Narathiwat). Population: 22 public health workers who provide vaccinations, reporting on parents' responses. Published 2023-10-31; retrieved 2026-10-11.
Saudi Arabia · Measured outcome · 2018
In 213 Jeddah dental patients, about 70% initially did not accept bone-graft materials including a porcine-derived one. After reading fatwas permitting its use, 45% of all participants shifted to accepting; 24% did not change.
What others could learn: In one clinic, stated acceptance of a porcine-derived material rose for many patients after investigators showed them fatwa texts that permitted its use, and about a quarter still did not accept. Information should be offered, not pressed: document informed refusal and have an alternative ready.
Conditions, limits and source
- Conditions that matter:
- Access to reliable written guidance the patient accepts; clinician willingness to discuss; an alternative product; time for the conversation.
- Cannot be inferred:
- That information changes actual decisions; that it would work for medicines or food; anything about other Saudi cities or clinics; what religious rulings say.
- Limits:
- A dental biomaterial, not an oral medicine or food. Single clinic site. Non-randomized, no comparison group given other information. Stated opinions, not treatment uptake. Investigators showed participants the fatwa texts. The paper describes fatwas as non-binding opinions; we make no statement about what any religious authority rules. The fatwas shown were those permitting use of the material, chosen by the investigators.
Source: Patient Preference and Adherence (Dove Medical Press), The impact of fatwas on patients' acceptance of enamel matrix derivatives for periodontal regeneration in Saudi Arabia (Results (opinions before and after reading the fatwas)). Where: Saudi Arabia (Jeddah). Population: 213 patients seeking dental treatment. Published 2018-11-12; retrieved 2026-10-11.
Multi-country · Reported experience · 2026
A 2026 scoping review of 24 studies from the UK, Malaysia, the USA and eight other countries reports widespread concerns about religious adherence, limited awareness of medicine ingredients among patients and health care professionals, and ethical issues around informed consent.
Limits: Abstract only
What others could learn: Awareness gaps appear on both sides of the consultation, so a process that does not depend on the clinician or the patient already knowing a product's ingredients, such as a pharmacist ingredient check and clearer labeling (which the authors call for), may be needed before consent can be informed.
Conditions, limits and source
- Conditions that matter:
- Access to ingredient information from manufacturers; training for prescribers and pharmacists; labeling that states source; consent processes that ask about ingredient concerns.
- Cannot be inferred:
- Which ingredients, products or countries drive the findings; how common these concerns are; whether any intervention improves disclosure or consent; practice in any one country. The included studies are of Muslim populations and settings and do not describe other groups.
- Limits:
- Abstract only; the full text was not reachable. The abstract names only three of the eleven countries and gives no counts by country, study quality appraisal or effect sizes. Included studies differ in design and setting. The title uses the authors' term 'prohibited medicines in Islam'; this record makes no statement about what any religious authority holds.
Source: International Journal of Pharmacy Practice (Oxford University Press); authors at the University of Portsmouth and Qatar University, Attitudes, beliefs, behaviours, and experiences of patients, healthcare professionals, and religious representatives towards prohibited medicines in Islam: a scoping review (Abstract, Key Findings). Where: Multi-country (UK, Malaysia, USA and eight other countries not named in the abstract). Population: Patients, health care professionals and religious representatives in 24 included studies. Published 2026-07-16; retrieved 2026-10-11.
Malaysia · Reported experience · 2021
A WHO Western Pacific guide reports that, at Malaysian government hospitals and clinics in 2013 to 2015, religious belief was the most common concern behind vaccine refusal, and parents were unsure whether vaccine preparations met the halal standard.
Limits: Service as described
What others could learn: When someone hesitates over a vaccine or medicine because of a preparation or ingredient question, a clinician can ask what the concern is and record it. The same guide lists dialogue with religious leaders and community vaccine champions as strategies, as suggestions that this record does not show worked.
Conditions, limits and source
- Conditions that matter:
- Per the case example: a national immunization program that collected reasons for refusal at government facilities, and a government response described as proactive and timely. The guide's table adds dialogue with religious or community leaders and trained parent champions.
- Cannot be inferred:
- How common this concern was; what any vaccine contains or whether any product was certified; how the concern is handled today; practice in other countries; what any religion requires.
- Limits:
- Second-hand summary of a ministry presentation. The text gives no counts, sample size, collection method or names of the vaccines concerned. The underlying ministry data were not retrieved. WHO regional guidance, not a global WHO statement. The case reports that acceptance was sustained after a government response but does not show which action worked.
Source: WHO Regional Office for the Western Pacific, Enhancing acceptance and demand for vaccination in the Western Pacific Region: a guide for programme managers on strategies for assessing and addressing hesitancy and sustaining vaccination uptake (Case example 2, printed p. 10 (PDF p. 19); strategies table in the annex). Where: Malaysia (reported in a WHO Western Pacific Region guide). Population: Parents declining infant vaccines at government health facilities. Published 2021-03-25; retrieved 2026-10-11.
Global · Guidance · 2016
WHO's 2016 HPV vaccine communication guide lists concern about a vaccine's manufacturing origin, and whether it meets religious standards such as halal, among potential communication issues for a newer vaccine.
Limits: Guidance, not outcomes
What others could learn: When a newly introduced vaccine raises a question about manufacturing origin or religious standards, a program can plan for the question in advance. A clinician can ask what the concern is, record it and point to the manufacturer's or regulator's product information instead of answering from memory.
Conditions, limits and source
- Conditions that matter:
- Per the guide: written for managers planning communication around HPV vaccine introduction. It names religious associations among influential groups that may have specific concerns and sets out advocacy with those groups.
- Cannot be inferred:
- How common the concern is or where; whether any product meets any standard; anything about vaccine ingredients or gelatin; what any religion requires, permits or forbids.
- Limits:
- A planning table, not data: no counts, countries or methods, and it does not say which ingredients or products are involved. It concerns HPV vaccine only and dates from 2016. The guide's message tips include telling audiences that a vaccine is halal; this record does not assess that and states no religious status. Searches of WHO IRIS did not find a global WHO text on vaccine gelatin (see source notes).
Source: World Health Organization, HPV vaccine communication: special considerations for a unique vaccine. 2016 update (Table 'Why HPV vaccine is unique', row 'A newer vaccine', printed p. 24 (PDF p. 32)). Where: Global. Population: Immunization program managers and health workers planning communication when HPV vaccine is introduced; parents and communities. Published 2016-10-05; retrieved 2026-10-11.
Multi-country · Guidance · 2017
A 2017 WHO Regional Office for Europe training manual for health professionals notes that some religious groups are concerned about vaccine ingredients such as gelatin, which is usually of bovine or porcine origin.
Limits: Guidance, not outcomes
What others could learn: A clinician asked about a vaccine ingredient can check the product information for the specific vaccine, including whether gelatin is listed and from what source, and can record the concern. The manual says gelatin is added to some vaccines as a stabilizer.
Conditions, limits and source
- Conditions that matter:
- Per the manual: written for health professionals in the WHO European Region who counsel on vaccination. It says gelatin is added to some vaccines as a stabilizer in adverse conditions such as temperature extremes. A clinician needs product information that names stabilizers and their source.
- Cannot be inferred:
- Which vaccines contain gelatin or from what source; how many people hold the concern; what any religion requires, permits or forbids; practice outside the WHO European Region.
- Limits:
- Training text, not data: no counts, settings or evidence of how often the concern arises. The same section reports positions of religious scholars and leaders on gelatin; this record does not repeat or assess them and states no religious position. Regional office document, not a global WHO statement. The IRIS record dates it to 2017 only.
Source: WHO Regional Office for Europe, Vaccine safety and false contraindications to vaccination: training manual (Section 4.2.2, printed p. 30 (PDF p. 40)). Where: Multi-country (WHO European Region, regional office document). Population: Health professionals who counsel parents and patients about vaccination. Published 2017; retrieved 2026-10-11.
Ethiopia · Measured outcome · 2026
At one Ethiopian hospital, 72.3% of 470 adults with diabetes had poor dietary adherence. Fasting on designated fasting days (adjusted odds ratio 4.85), no diet manual and no access to the recommended diet were associated with it.
What others could learn: When giving diet advice, a clinic can ask about designated fasting days and how meal timing changes on them, and can offer a written diet manual. In this study, not having a manual or access to the recommended foods were also associated with poor adherence. The authors suggest working with religious leaders on safe fasting alternatives; the study did not test this.
Conditions, limits and source
- Conditions that matter:
- Outpatient follow-up with dietary education (95.3% reported receiving it and 74.3% a diet manual), income and local food availability that allow the recommended foods, and family support. The qualitative component included religious leaders' views.
- Cannot be inferred:
- Anything about hospital meal provision or inpatient diets; which fasting days, foods or medicines were involved; effects on glucose; causation; representativeness for Ethiopia; practice in other settings. It states no religious position; the religious leaders' differing views are not repeated.
- Limits:
- Single hospital; cross-sectional, so associations only. Adherence was self-reported through an interviewer-administered questionnaire. The text reads the adjusted odds ratio as "4.8 times"; it is an odds ratio, not a risk ratio. The methods give 484 participants and the results 470 (97% response); this record uses 470. The study concerns diet advice, not hospital food provision, and does not study medicines.
Source: AACE Endocrinology and Diabetes (Bekalu A et al.), Dietary Adherence and Associated Factors Among Adults With Diabetes in Debre Markos, Ethiopia 2024/2025: A Mixed-Methods Study (Results, paragraph on fasting under factors associated with dietary adherence (PMC13377874); AORs in Table 7). Where: Ethiopia (Debre Markos). Population: Adults aged 18 or older with diabetes in active follow-up for at least 6 months (470 questionnaire respondents, 94.5% Orthodox Christian; 24 focus group participants; three religious leaders interviewed: two Orthodox Christian, one Muslim). Published 2026-04-20; retrieved 2026-10-11.
Evidence and limits
- The sourced examples include policy, reported experience, measured outcome, service description, guidance. Each quote was matched to the source text; that is not independent expert review.
- The prompts and fictional case are original. They have not been tested with patients, caregivers or clinicians.
- Whether this workflow helps anyone is an open research question.
- Content is in English. Interface translations are not reviewed for this topic.
Prevalence and disclosure
A PRISMA systematic review of 56 studies found collagen is approximately 41% porcine-derived and a ubiquitous pharmaceutical excipient, affecting an estimated 1.9 billion Muslim patients. Porcine collagen is haram across mainstream Sunni jurisprudence, bovine is conditional, and fish-derived collagen is accepted.
A review of 18 palliative medications across 39 manufacturers found animal origin is not disclosed on labeling. Gelatine is 'most often but not always bovine' and manufacturers state it is 'not possible to provide definitive information,' placing the onus on the prescriber to enquire.
A survey of 100 patients and 100 physicians found more than 1,000 medications contain pork- or beef-derived gelatin or stearic acid; 84% of patients were unaware, and 63% wanted physician disclosure, while roughly 70% of physicians were themselves unaware yet thought disclosure important.
A two-hospital NHS audit found 64% of clinicians (n=50) were unaware low-molecular-weight heparins are animal-derived and 94% did not inform patients; among patients (n=137), 98% prioritized belief-aligned medication and roughly half would decline porcine prophylaxis even to prevent serious illness.
Patient decision-making and alternatives
Interviews with 13 Muslim adults found Islamic necessity principles (darura/istihala) applied flexibly in practice (haram-sourced medication accepted for serious illness but avoided for minor conditions), with workarounds like opening gelatin capsules, and patients valuing disclosure, shared decision-making, and clinician religious literacy.
Standard and unfractionated heparin are porcine in origin, with fondaparinux available as a simple alternative; manufacturers often cannot differentiate the animal source of a given batch, and sources change between suppliers.
An ethics case study of a 19-year-old Muslim patient on lifesaving LDL apheresis using porcine heparin illustrates a genuine disclosure-versus-autonomy dilemma: Islamic bioethics may permit prohibited substances in lifesaving cases, but interpretations vary. This supports a cultural-humility rather than one-size-fits-all approach.
A study of 60 Muslim women who had declined porcine-derived low-molecular-weight heparin found fondaparinux (2.5mg for 10 days) resulted in zero venous thromboembolism events and no major bleeding. Fondaparinux was a safe thromboprophylaxis alternative.
Institutional practice
A Delphi consensus of 61 bariatric surgeons across 24 countries found unanimous agreement that post-surgery fasting needs special nutritional support and surgeon/nutritionist/patient coordination; 70% recommended delaying Ramadan fasting 6-12 months after a malabsorptive procedure. This reflects a genuine tension between religious fasting and therapeutic nutrition.
A five-site survey of 98 patients found multicultural-meal access varied by site, with an African Muslim patient group least satisfied with halal provision, and only 47% of nurses accurate on religious/cultural dietary competencies. This is a descriptive finding on unmet need and satisfaction, not a controlled improvement effect.
Tradition-specific permissibility: secondary sources only
We have not read rulings from religious bodies on these questions. In a 2013 questionnaire of religious leaders (Eriksson et al., BMC Med Ethics), Sunni and Shiite Muslim respondents did not approve of porcine-derived drugs, dressings or implants. All respondents accepted animal-derived products in an emergency when no alternative existed. The Vaishnavism (Hindu) respondent did not permit porcine or bovine material; rules could be waived in an emergency, and decisions were left to the individual. Authors of a 2026 study in Israel (Tarabeih et al., J Relig Health) write that Jewish law permits violating certain rules to protect a life, including eating pig-derived food when necessary to save one. Per our methodology, a reference becomes a citation only after verification.
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