BioStacks

Best Vitamin B2 for General Health

Top 10 products ranked

Last reviewed May 2026

Clinical dose: 25–100 mg

Why Vitamin B2 for General Health

Vitamin B2 plays a supporting role in general health. Precursor to the coenzymes FMN and FAD, which drive cellular energy production and antioxidant defense systems. Supports mitochondrial function and metabolism of carbohydrates and fats.

What dose to look for

Clinical studies typically use 25–100 mg of vitamin b2. B-complex supplements typically provide 25–100 mg. Products below this range may not deliver meaningful results.

What the research says

Vitamin B2 has strong clinical evidence for general health benefits. Precursor to FMN/FAD coenzymes for cellular energy; studied for migraine prevention at high doses Learn more