SUPPLEMENT
Kosher NMN: what to check before you buy
Human-trial evidence, capsule-shell verification, hechsher reliability, and the kosher questions to ask before adding NMN to a longevity stack.
Open guide →Guides.
Focused buyer guides for the most-searched kosher longevity questions. Each guide combines human-trial evidence, kosher certification verification, and practical SKU-level recommendations.
MEDICATION
Metformin and B12: kosher supplement options
The documented depletion, the labs to ask for, and the kosher B12 formats to discuss with your physician and your rav.
Open guide →KASHRUT
Gelatin capsules and kosher supplements
Bovine vs. fish vs. HPMC vs. pullulan. How to read a softgel, when a kosher symbol covers the shell, and the verification workflow.
Open guide →More guides in development. Have a high-intent question we should cover? Get in touch.