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Zinc is an essential mineral that contributes to our total physical and mental well-being. It is a key player in the optimal functioning of the reproductive organs, and an important element involved in basic cellular function. Zinc also aids to strengthen the human immune system and deter common skin conditions.

The amino acid L-arginine has the highest proportion of nitrogen from the whole spectrum of amino acids and is an important part of complex proteins. An appropriate protein intake can ensure the recovery and growth of skeletal muscles, provided that the nitrogen balance is maintained. Athletes seek this product in particular for the synthesis of nitric oxide (NO) and the associated better vasodilation.

Optimum Nutrition Amino Energy Water Bottle is an elegant, practical sports bottle with a volume of up to 650 ml. The bottle is made of durable material that guarantees its long life and safe use. The stylish and modern design of the bottle allows you to stand out not only during training, but also during everyday use.

L-Carnitine 1000 mg contains 1000 mg of a highly efficient and pure L-Carnitine Tartrate. It’s made for dedicated individuals who are looking for professional help to meet their fitness goals. Like all BioTechUSA products, L-Carnitine 1000 mg consists of 100% safe and carefully selected ingredients.

Transparent plastic shaker with a total capacity of 800 ml "up to the rim". The shaker is 100% leak proof and is microwave, dishwasher and freezer safe.

C4 Ultimate Pre-Workout Shot is a powerful pre-workout formula packed with high doses of caffeine, L-citrulline, beta-alanine, and betaine, enriched with B vitamins. Vitamins B6 and B12 support energy metabolism, proper nervous system function, and help reduce tiredness and fatigue. Turn your goals into reality with C4 Ultimate Pre-Workout Shot!

Complex amino acids made from different types of amino acid (glutamine peptides, soy isolate, pea isolate, BCAA, glutamine). One of the main components of our cells is protein and amino acids are building blocks of proteins. We know 20 different amino acids.

Tyrosine is not an essential amino acid, so our body is capable of producing it – even though in very small quantities – from phenylalanine essential amino acid. It can also be found in its natural form in banana, avocado and in most high-protein foods such as meat, dairy products and eggs.