✓ NO RISK GUARANTEE – we have a no questions asked, money back guarantee policy so you can improve your health with no risk. ✓ PEACE OF MIND – our nutritional food supplements, vitamins, tablets, powders, drops, gummies, teas and extracts are manufactured with care exclusively in the UK to GMP code of practice and ISO 9001, so you are safeguarded by the highest standards in the world. ✓ PURE – Swiss BioEnergetics L-Tryptophan Sleep Complex is manufactured using only the finest quality raw materials in their highest grade and purest form so that we can guarantee you receive a consistently high-quality product. Our formulation is free from: ?lactose, ?gluten, ?wheat, ?yeast, ?dairy. Suitable for Vegetarians and Vegans. ✓ EFFECTIVE – Our unique blend combines scientifically-backed ingredients that work synergistically to promote a restful night's sleep and reduce tiredness and fatigue. ✓ HIGHEST POTENCY Experience the power of Swiss BioEnergetics L-Tryptophan Sleep Complex, expertly formulated with high-quality ingredients for optimum potency.