Coenzyme Q10 (CoQ10)

What It Is:
A vitamin-like compound essential for energy production in cells and heart health. Levels decline with age or statin use.

What It’s Used For:

• Cellular energy production

• Antioxidant and cardiovascular support

• General vitality, especially for older users

Typical Dose:

• 100–200 mg daily, ideally with fat-containing food

Side Effects:

• Extremely safe; rare mild stomach upset

Why It’s Rated 3.5/5:
Strong health benefits, especially for older or fatigued individuals. Limited direct gym performance effect but great for longevity.