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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
Knowledge · Supplements

Iodine in the Body: Why It Matters, How to Recognize Deficiency, and Why Excess Can Be Dangerous

A practical guide to iodine in T4 and T3 synthesis, food sources, deficiency and excess, thyroid testing and safe supplement decisions.

September 2, 2026
Knowledge · Supplements

Vitamin B12: role, testing, food sources and safe correction

A practical guide to cobalamin: why it matters for nerves and blood formation, which tests help assess status, who needs monitoring, and how to avoid confusing deficiency with other causes of symptoms.

September 1, 2026