- Updated Pronto formulation is faster acting delivering results within 30 minutes of dosage. No weeks-long "loading" phase like other products and no need to take every day. Take only before and during exercise- Primes muscles to make less lactic acid in the first place. Cycling feels easier with less muscle "burn" during the ride, and less soreness after- Healthy FDA generally recognized as safe ingredients: 88% European natural-source lactate (not lactose), which is muscles' preferred fuel. Balanced calcium, magnesium and vitamin D to speed absorption, in color-free vegetable capsules. UCI & WADA legal. No sodium, gluten, dairy, or calories- Dosage recommendations: 1 capsule per 50lbs of body weight 1/2 hour before exercise, repeat every 2-3 hours during activity (additional dose upon completion to minimize recovery soreness)