Last updated: October 2026. General background reading related to the topics covered on this site. We are not affiliated with or endorsed by any institution below.
Dietary Supplements
NIH Office of Dietary Supplements — what you need to know about supplements.
Passionflower
NCCIH: Passionflower — general background and safety information.
Peripheral Nerves
NINDS: Peripheral Neuropathy — general information on nerve symptoms and when to seek care.
Diabetes and Nerves
NIDDK: Nerve Damage (Diabetic Neuropathies) — general background information.
A Note on These References
These are general background reading only. They are not endorsements of any product and are not claims about the featured capsule. See our disclaimer.