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Ashwagandha (KSM-66) vs Vitamin B2 (Riboflavin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Ashwagandha (KSM-66)
Vitamin B2 (Riboflavin)
Typical Dosage
300-600mg daily (KSM-66 extract)
1.1–1.6 mg daily
Best Form
KSM-66
Riboflavin (free form)
Key Benefits
5
6
Evidence Rating
★★★★
★★★★
Best Time
Evening for sleep, or split morning/evening for stress
With meals for optimal absorption
Ashwagandha (KSM-66) Benefits
✓Reduces cortisol and perceived stress
✓Improves sleep quality
✓May increase testosterone in men
✓Anxiety reduction
✓Physical performance enhancement
Vitamin B2 (Riboflavin) Benefits
✓Energy production and metabolism
✓Antioxidant protection
✓Eye health and vision
✓Nervous system support
✓Skin and hair health
✓Migraine prevention
Can You Take Both Together?
In most cases, Ashwagandha (KSM-66) and Vitamin B2 (Riboflavin) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress. Choose Vitamin B2 (Riboflavin) if your primary goal is: energy production and metabolism. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.