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Hidden prescription drugs in supplements

The FDA has found hidden prescription drugs in some dietary supplements, prompting consumer warnings and recalls.

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Jan 14, 2026
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Are there differences in side effect profiles between sildenafil, tadalafil, and vardenafil?

Sildenafil, tadalafil and vardenafil share a broadly similar adverse‑effect footprint — headaches, flushing, dyspepsia and nasal congestion are the common themes — but they differ in pharmacokinetics ...

Jan 16, 2026

What FDA warnings or enforcement actions exist regarding sugar‑control supplements and deceptive diabetes claims?

Federal regulators have repeatedly targeted dietary supplements marketed with diabetes or “sugar‑control” claims, most visibly through coordinated FDA and FTC warning letters to 10 companies for promo...