Dr. Marc Bubbs is a Performance Nutritionist, author, speaker and consultant for a portfolio of professional and Olympic athletes and Fortune 100 companies. He is also the co-founder of ProBio Nutrition.

Dr. Bubbs previously came on the show for episodes 113 & 275.

Dr. Marc Bubbs: drbubbs.com | IG: @drbubbs | X: @drbubbs

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

ProBio: probionutrition.com Code: Endurance (20% Off)

Support HPO: zachbitter.com/hposponsors

HPO Website: zachbitter.com/hpo

Zach's Coaching: zachbitter.com/coaching

Zach's Journal: substack.com/@zachbitter

Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter