Before you buy another supplement, Kosher Longevity helps you check your medications, identify what to test, compare human-trial evidence, confirm a reliable kosher certification (OU, OK, Star-K, CRC, KOF-K, Badatz), and build a safer longevity plan to discuss with your physician and your rav.
What the trial actually showed — not the relative-risk headline. Translate the numbers into how many people had to be treated to help one.
Run Medication Reality Check →Statins, metformin, PPIs, diuretics and more deplete specific nutrients. See what your prescription may affect — and why it matters before you stack.
Check Drug-Nutrient Depletion →One-page printable summary: trial evidence, nutrient depletions, dose/form used, kosher status, capsule shell, and questions for your prescribing clinician and your rav.
Generate the sheet →Every tool, rating, and recommendation on this site follows the same four content rules — applied before anything is published — plus a fifth kosher-integrity rule unique to Kosher Longevity.
We separate human clinical trials from animal studies, cell research, and mechanistic theory. A mouse study is not a human trial. We say so.
We compare products against the actual form and dose used in published research — not fairy-dust amounts added for label appeal.
Medication-nutrient considerations, supplement timing conflicts, and absorption interactions are flagged — before you build or buy anything.
Every summary links to the source paper. We translate what the study shows — and what it does not prove. No extrapolation. No hype.
Every product is checked against a reliable kosher certification (OU, OK, Star-K, CRC, KOF-K, or equivalent Badatz hechsherim recognized by Chabad and major kashrut authorities). Capsule shells, gelatin source, fish/dairy/meat status, and pareve labeling are verified. If a product has no reliable hechsher, it is marked clearly and never moves up the tier ladder on the strength of its evidence alone. Halacha and evidence are both gates — neither overrides the other.
Establish a baseline before you buy a single capsule. Biological age, lipid panel, fasting insulin, hsCRP, ApoB, homocysteine, omega-3 index, vitamin D.
Apply only protocols backed by human RCTs and available with a reliable hechsher. No pareve doubt. No animal-only data.
Close the loop in 3–6 months. Did the marker move? If not, the protocol failed for you — regardless of how famous the supplement is.
Citations: REDUCE-IT (NEJM) · VITAL secondary analyses · Creatine in older adults (2025 review) · OU Kosher: Nutraceuticals · Star-K Medications Guide · Chabad Kosher Symbols.
EPA/DHA, magnesium, vitamin K2-MK7, plant sterols — graded by REDUCE-IT, MERIDIAN-K2, and lipid-lowering RCTs. Hechsher status verified for every product. Includes pareve-only and fish-gelatin alternatives.
Read the guide →Creatine, leucine-enriched whey or pea protein, vitamin D3, omega-3. Built from human RCTs in adults 50+. Whey requires Chalav Yisrael consideration; pea protein is fully pareve.
Read the guide →NMN, NR, GlyNAC, berberine — what RCTs do and do not show, and which products carry a reliable hechsher. Capsule-shell audit included.
Read the guide →Which blood markers and biological-age tests to run before spending on supplements — and how to interpret results in 3–6 month retest cycles.
Read the guide →Soft-gels, hard-shells, fish gelatin (OU-F), bovine kosher gelatin, vegetable HPMC — what to look for on the label and what to ask the manufacturer.
Read the guide →Pikuach nefesh, choleh status, swallowing capsules without water, Pesach considerations for kitniyot-derived supplements. Always consult your rav — this is a discussion framework, not a psak.
Read the guide →Pick your goal and constraints (pareve only, Chalav Yisrael, fish-gelatin ok, capsule shell). Get a tier-ranked stack with hechsher status.
Build my stack →Pick your medications. See which nutrients they may deplete — and which kosher-certified replacements have human evidence.
Run check →Build a baseline panel before spending on supplements. Print-ready for your physician's lab request.
Build roadmap →Enter a product's capsule type. See pareve/dairy/fish status, hechsher requirements, and what to verify with the manufacturer.
Audit a product →Score your heart health across 8 evidence-based factors (diet, activity, sleep, BMI, BP, cholesterol, glucose, nicotine).
Take the score →One-page printable summary covering trial evidence, nutrient interactions, kosher status, and halacha-aware questions.
Generate sheet →Map every medication and supplement before adding anything.
Check my meds →See depletions caused by your prescriptions — and kosher replacement options.
See depletions →Build a baseline biomarker roadmap — before spending on supplements.
Build testing roadmap →Get a tier-ranked, hechsher-verified stack matched to your goal and constraints.
Build my stack →Close the loop. Confirm the protocol moved a marker — or replace it with something that does.
A printable summary covering meds, depletions, tests, kosher stack and 3–6 month retest plan. Bring to your physician and your rav.
Generate sheet →Affiliate disclosure. This site is funded by commission relationships with brands whose products already passed our evidence review and our hechsher review. Those relationships are disclosed on every product page. Commissions never influence ratings — evidence and kosher integrity gates come first, commercial relationships follow.
Educational disclosure. Content on this site is educational only. It is not medical advice and not rabbinic advice (psak halacha). Use it as a discussion guide with your prescribing physician and with your local Orthodox rabbi.
Halachic disclosure. Kosher status is reported based on publicly available certification at the time of writing. Hechsherim can change. Always verify the symbol on the actual package against the agency's current schedule. For Chabad consumers and others following stringent standards, Chabad.org's Kosher Symbols guide is a useful starting reference; questions of Chalav Yisrael, Yashan, kitniyot, choleh status on Shabbat, and Pesach use should be directed to your rav.
Last reviewed: . Editorial updates are dated on every page.
Board of Advisors, American Academy of Pain Management (org. dissolved 2018) — seven years. Italian government-funded research participant; one-year clinical appointment, Naples. Founding Professor of Anti-Aging Studies — 47 years in nutrition and clinical health. A.B.A.A.H.P. Diplomate. Former Official Chiropractor, Hawaiian Ironman Triathlon and All African Games — 32 national teams, multiple Olympic athletes. Chapter author, Pain Management: A Practical Guide for Clinicians, Sixth Edition.
Kosher Longevity is the kosher-integrity counterpart to Evidence-Based Longevity — same four content rules, plus a fifth rule built around reliable hechsher and halacha-aware use.
Full background →