OstroVit Tryptophan 200 g OstroVit Tryptophan is a high-quality dietary supplement that is a source of tryptophan. It is a preparation with a simple composition and natural flavour, available in a convenient powder form. It is a product designed for conscious consumers who want to supplement their daily diet with a valuable amino acid. Source of L-tryptophan - one serving of the dietary supplement provides the body with 300 mg of amino acid. Simple composition - the preparation contains only the desired substance, without unnecessary additives. Natural flavour . 1 serving = 1 scoop = 300 mg . Efficiency - one package of the product contains 666 servings of the preparation. Convenient form - the preparation available in the powder form allows for a trouble-free supply of a dietary supplement and will be great for people who have difficulty swallowing tablets. OstroVit Tryptophan - valuable source of precious amino acid L-tryptophan - an organic chemical compound, a protein amino acid classified as an exogenous substance, which must be supplied to the body from the outside, along with daily food or in the form of dietary supplements, because the organism is unable to synthesise it on its own. It is an essential compound that can be found in animal products, among others, in meat, dairy products or seafood, as well as pumpkin seeds, avocados, legumes, bananas or flaxseed. ATTENTION! The product is less soluble and has a bitter aftertaste. This is a natural feature of the raw material. A good solution is to mix the product in water or juice, gently mixing the solution, or to drink the powder directly with water or juice. Laboratory-confirmed quality For the sake of our customers' health, the products we manufacture are regularly tested in an independent accredited laboratory to ensure and maintain the highest quality. OstroVit Tryptophan - Heavy metals content test 09.01.2026