1. Vitamin D (Highly Suggested)
Boosts immunity, helps prevent age-related diseases (4/5 on the Certainty Scale)


Vitamin D is one of the most well-known and generally recognized supplements that can aid you improve your health and live much longer. People do not get enough vitamin D from sunlight because they spend too much time indoors and live in areas with short periods of daylight. Ses longevity benefits can be provided by optimal vitamin D levels:
- Reduces the chance of dying from heart disease by 30%.
- Heart disease may be reversed[10].
- Immune system booster[6][7] – Stay well by avoiding the flu and fighting diseases.
- It has the potential to prevent cancer[8].[9]
- Alzheimer’s disorder can be prevented and treated[13].
- Osteoporosis prevention and treatment[11]
- Multiple sclerosis prevention and treatment[12]
Ray Kurzweil[14], Dave Asprey[15], Steve Fowkes[16], Dr. Rhonda Patrick[17], and Dr. Dominic D’Agostino[18] are among the Famous entrepreneur who suggests vitamin D. Most people can’t have enough Vitamin D from their diet alone, according to scientists. Many tests have also confirmed vitamin D’s effects, scoring it a 4 out of 5 on our Certainty Scale. The most reliable way of determining the current Vitamin D levels is to take a 25-hydroxy vitamin D blood test.
Vitamin D Dosage
According to the National Institutes of Health, the maximum recommended vitamin D intake is 10-20 mcg/day (400-800 IU/day), with a healthy Upper Limit Intake Level (UL) of 100 mcg/day (4000 IU/day). [19]