Cold exposure: 0:04
Longevity: 2:07
Calorie restriction: 2:29
Intermittent fasting: 3:56
Donating blood: 4:56
Semen retention / Spermadine: 5:56
Rapamycin: 7:16
Protein restriction: 8:41
Resveratrol: 10:25
Sirtuins / NAD boosters: 12:01
Increasing testosterone: 13:09
Vitamin D3 + Vitamin K2: 13:44

The 4 Hour Body Part 1:    • The 4 Hour Body (Part 1/4) - Animated...  
The 4 Hour Body Part 2:    • The 4 Hour Body (Part 2/4) - Animated...  
The 4 Hour Body Part 3:    • The 4 Hour Body (Part 3/4) - Animated...  

Buy The 4 Hour Body here: https://amzn.to/2w5Y9mB
Buy Lifespan here: https://rb.gy/fpqh2i

Disclaimer: Advice provided without warranty. This is NOT medical advice. By watching & applying this advice you agree to take 100% responsibility for all consequences.