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© 2026 NutriFit. All rights reserved.V1.0.2365 · 2025–2026

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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.

September 2, 2026

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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.

September 1, 2026