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During the development of Ca D3 K2 not only the quantity of the active ingredients, but also their complexity was taken into account. In addition to calcium and phosphorous that are mostly responsible for the maintenance of normal bones and teeth, Biotech USA added to the product vitamin D, which is responsible for a better absorption and utilization of these two minerals.

L-Tryptophan is an essential amino acid provided by mixed dietary protein intakes from different sources. L-Tryptophan can also be consumed in the form of supplements.

Caffeine + Taurine is an outstanding alternative for poorly dosed and high carb energy drinks. Caffeine&Taurine like all BioTechUSA products, consists of safe and carefully selected ingredients.

Coffee has hundreds of phytochemicals in it, some of which may cancel out the positive effects of Caffeine. However, with pure Caffeine your desired doses can be taken without possible interference. Our Caffeine capsules allow convenient, precise, high dose use.

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.

Instant 100% whey concentrate with excellent taste made using the CFM method. Thanks to gentle processing that preserves high biological value, it is the absolute top among proteins on the market. In addition, digestive enzymes and probiotic cultures were added to the protein. Increased protein intake supports muscle growth and protection, accelerates regeneration after hard training and contributes to maintaining healthy bones.

Mega Daily One Plus is an advanced multi-vitamin and mineral formula with 25 ingredients! It features a high-dose Vitamin B complex and Vitamin C, plus essential minerals including Magnesium, Selenium and Zinc. Vitamin C contributes to the normal function of the immune and nervous systems, and to the reduction of tiredness and fatigue.

Glutamine is for anyone engaged in a long term physical training plan.