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Immune System Support – Strengthens your body’s natural defenses
drink ½ serving before and ½ serving after training
Suitable for consumption at any time
in an 8-week study with a calorie-reduced diet and moderate exercise
Rule 1 – BCAA (Branched Chain Amino Acids) Pre-Workout Optimum Nutrition Immune System Support – StrengthensFuel. Recover. Grow. Rule 1 BCAA delivers a premium blend of L Leucine, L Isoleucine, and L Valine in the scientifically proven 2: 1: 1 ratio, helping you recover faster, reduce soreness, and maintain lean muscle mass. Whether youre training hard or cutting, this formula supports endurance, strength, and muscle repair without any fillers or added sugar. Key Features: 5g of pure BCAAs per serving Supports muscle recovery and growth Reduces post workout
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