All Supplements
Vitamin B2 (Riboflavin) vs Ashwagandha (KSM-66)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B2 (Riboflavin)
Ashwagandha (KSM-66)
Typical Dosage
1.1–1.6 mg daily
300-600mg daily (KSM-66 extract)
Best Form
Riboflavin (free form)
KSM-66
Key Benefits
6
5
Evidence Rating
★★★★
★★★★
Best Time
With meals for optimal absorption
Evening for sleep, or split morning/evening for stress
Vitamin B2 (Riboflavin) Benefits
✓Energy production and metabolism
✓Antioxidant protection
✓Eye health and vision
✓Nervous system support
✓Skin and hair health
✓Migraine prevention
Ashwagandha (KSM-66) Benefits
✓Reduces cortisol and perceived stress
✓Improves sleep quality
✓May increase testosterone in men
✓Anxiety reduction
✓Physical performance enhancement
Can You Take Both Together?
In most cases, Vitamin B2 (Riboflavin) and Ashwagandha (KSM-66) 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 Vitamin B2 (Riboflavin) if your primary goal is: energy production and metabolism. Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress. 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.