Prolab has been making bodybuilding supplements since 1989, and continues to develop innovative formulations for fitness and health. Now part of Natrol brand, Prolab takes advantage of the sophisticated manufacturing expertise and attention to quality its parent company is known for.

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  1. L-Carnitine Liquid

    L-Carnitine Liquid

    By Prolab
    Item PRO057
    Save 44% off retail

    Your Price $12.95

    Retail $23.00

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    ProLabLiquid L-Carnitine Amino FuelA non-essential amino acid, carnitine is similar in function to certain B vitamins in initiating cellular energy. Found in red meat and synthesized in the body from the amino acids lysine and methionine, L-carnitine is a popular bodybuilding and diet support supplement.
  2. BCAA Plus

    BCAA Plus

    By Prolab
    Item PRO001
    Save 52% off retail

    Your Price $16.95

    Retail $34.99

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    BCAA Plus by PROLAB PROLAB BCAA Plus offers a potent dose of the three branched chain amino acids (BCAAs), L-Leucine, L-Valine and L-Isoleucine plus Vitamin C and Vitamin B6. That's it, pure and simple. Of course, the performance implications of using PROLAB BCAA Plus aren't so simple, they can be quite incredible. The high-dose blast of BCAAs helps to flood muscles with replenishing amino acids to support healthy, lean mass and muscle recovery. At the same time, Vitamin C "kicks" in to combat muscle "attacking" free radicals while Vitamin B6 helps to support protein metabolism and energy production. Helps Reduce Muscle Catabolism Maximizes Muscle Energy Jump-Starts Recovery Helps Enhance Muscle Protein Synthesis
  3. Beta Alanine Extreme

    Beta Alanine Extreme

    By Prolab
    Item PRO063
    Save 45% off retail

    Your Price $21.95

    Retail $39.99

    Out of stock

    Beta Alanine by Prolab Beta Alanine Extreme contains a blend of beta alanine and L-histidine in specific ratios to help optimize muscle performance and growth. Beta alanine is used to synthesize carnosine, which is found in large amounts in fast-twitch muscle tissue and assists enzymes which produce muscle contractions.
  4. N-Large3


    By Prolab
    Item PRO066
    Save 41% off retail

    Your Price $55.95

    Retail $94.99

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    N-Large3 by PROLAB Nutrition A COMPLETE MASS GAINING ADVANTAGE N-Large3™ provides a complete mass-gaining advantage to hard gainers and athletes looking to build serious size. The carefully selected blend of proteins, carbohydrates and lipids stack up to provide 600 muscle-building calories per serving to help even the hardest gainers to build muscle.A 45 gram, triplex blend of targeted proteins support maximum gains in three progressive stages. First, Whey Isolate begins to absorb immediately, quickly racing to fuel post-workout repletion and igniting muscle-repairing protein synthesis. Second, Whey Concentrate adds additional protein to keep the rebuilding momentum sustained. The addition of Micellar Casein takes recovery and growth to the next level. Micellar Casein is a gel forming protein that slowly digests for up to 7 hours of muscle growth support. This provides the extended amino acid flow muscles crave to build dense new fibers. Repairing, rebuilding and maintaining these muscle fibers are essential for maximizing growth and size. The amino acids supplied by the 3 stage protein blend helps promote muscle protein synthesis - the very process of building muscle fibers.60 grams of low sugar, complex carbohydrates help to pump muscles with a supply of glycogen - the premier source of fuel during high intensity weight lifting sessions. Providing a constant, readily available source of energy is required to maintain muscle mass. If the body becomes depleted of fuel, it begins tapping into it's own energy reserves - muscle. Instead of increasing and building up the muscle mass you are trying to achieve - it is being broken down and converted into energy. An added source of mass-gaining fuel is Medium Chain Triglycerides (MCTs). MCTs are not only rapidly absorbed; they are readily burned as efficient, performance driving fuel. Because MCTs are so readily metabolized for energy they help to reduce muscle protein wasting, maximizing muscular development.å* You do your part. We'll do ours.™-600 Massive Calories Feed High Metabolisms -45 grams of Protein Fuels Muscle Growth -Over 56 grams of Muscle Preserving Amino Acids -60 grams of Glycogen Replenishing Carbohydrate -Premium Lipids for Energy & Muscle Growth-A Complete Mass Gaining Advantage.
  5. Amino Gelcaps

    Amino Gelcaps

    By Prolab
    Item PRO041
    Save 48% off retail

    Your Price $14.95

    Retail $28.99

    Out of stock

    Prolab®Amino Gelcaps delivers a complete spectrum of essential and nonessential amino acids. This easy to swallow amino acid supplement helps promote positive nitrogen balance during intense strength training programs. A positive nitrogen balance is essential to maximize lean body mass. Amino Gelcaps were formulated without fillers or binders in a gel cap that readily dissolves to deliver high quality nutrients. Combined with intense training and proper nutrition, Amino Gelcap can help support recuperation, preserve lean body mass and maintain strength. Full Spectrum Amino Complex Supports Positive Nitrogen Balance
  6. Creatine


    By Prolab
    Item PRO008
    Save 50% off retail

    Your Price $24.95

    Retail $49.95

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    Creatine Monohydrate by PROLABProlab« Creatine Monohydrate is a natural compound found in the body that plays a powerful role in energy metabolism. Supplementation with Creatine Monohydrate can help maximize energy output during intense training to help you reach the next level. This nutrient maximizes strength, performance and muscular development.

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