L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response.** L-Tryptophan helps support relaxation, sleep, positive mood and immune function.** As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. Piping Rock L-Tryptophan is pharmaceutically pure - every lot is tested to be free of Peak E and microbial contamination!
Piping Rock’s Promise:
We proudly offer you our ever-growing selection of Vitamin & Supplement products designed to help you achieve your wellness goals at the lowest cost in the industry! The beauty lies in the depth of our assortment. Piping Rock carries hundreds of Vitamin & Supplement products for Men & Women’s Health. We offer capsules, powders, softgels, liquids, organic formulas and much more. Our products are stacked with premium ingredients, sourced from all over the globe. Our robust product line is evolving every day to meet your wellness needs!