Last updated: October 2026. General background reading related to the ingredients and topics covered by Tinizen. We are not affiliated with or endorsed by any institution below.
Tinnitus and Ear Health
NIDCD: Tinnitus — general information from the National Institute on Deafness and Other Communication Disorders.
Noise and Hearing
NIDCD: Noise-Induced Hearing Loss — general information on protecting your hearing.
Dietary Supplements
NIH Office of Dietary Supplements — what you need to know about supplements.
Green Tea
NCCIH: Green Tea — general background and safety information.
Asian Ginseng
NCCIH: Asian Ginseng — general background and safety information.
Caffeine
FDA: How Much Caffeine Is Too Much? — general consumer information.
A Note on These References
These are general background reading only. They are not endorsements of Tinizen and are not claims about the product. See our disclaimer.