Gary Null’s Newsletter

Gary Null’s Newsletter

5-HTP and Sleep

Gary Null’s Health Notes 111125

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Gary Null
Nov 11, 2025
∙ Paid

Here is one of our latest natural health and nutrition findings:

Study finds 5-HTP enhances sleep quality and gut health in older adults

National University of Singapore, August 7, 2024 (News-Medical)

National University of Singapore (NUS) nutritionists have found that 5-Hydroxytryptophan(5-HTP) supplementation can improve sleep quality in older adults, pa…

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