Knowledge · Supplements
Selenium in the Body: Why It Is Needed, Where It Comes From, and Why Excess Can Be Dangerous
Selenium: thyroid function, tests and safety — практическое руководство по источникам, дефициту, добавкам и рискам.
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Knowledge · Supplements
Zinc in the Body: Why It Matters, How to Recognize Deficiency, and Why Excess Can Be Dangerous
A practical guide to zinc: its roles in immunity, skin and reproduction, causes of deficiency or excess, food sources, testing and interactions with copper and medicines.
FAQ · Biohacking
Health diary and supplements: frequently asked questions
Which entry types the health timeline supports, how to view trends instead of single values, how manual entry differs from device data, and how the supplement cycle works from card to intake log.