Dr. Peter Attia

Dosage: 2-4g EPA daily (based on testing)

"Discusses omega-3 supplementation when dietary intake is insufficient, with emphasis on testing levels first."

Note: Attia emphasizes labs-first; supplement only when indicated by testing

Dosage: Based on blood levels (often 5,000 IU if deficient)

"Recommends vitamin D supplementation when blood levels are deficient, with regular testing."

Note: Test levels first; supplement if deficient

Dosage: 5g daily

"Has publicly discussed creatine for cognitive and physical performance benefits."

Dosage: 400-600mg (various forms)

"Discusses magnesium supplementation for those with dietary deficiencies."

Dosage: Based on body weight goals (often 1.6g/kg)

"Discusses protein targets for muscle health and longevity; recommends supplementation when dietary intake is insufficient."

Dosage: Based on labs and genetics

"Has mentioned B vitamins, especially methylated forms, for specific genetic polymorphisms."

Note: Personalized approach based on testing

Dosage: 3-5g before bed

"Has discussed glycine supplementation for collagen synthesis and sleep quality."

Dosage: 1,000-1,200mg (based on dietary intake)

"Discusses calcium supplementation for bone health when dietary intake is low, paired with K2."

Note: Only when diet is insufficient