Quick view Compare L-Arginine 500 mg 60 capsules by Douglas Labs Douglas Laboratories $15.40 L-Arginine 500 mg capsule | L-Arginine capsules contain 500 mg pure, crystalline L-arginine.
Quick view Compare L-Arginine 700 mg 100 capsules by Douglas Labs Douglas Laboratories $29.80 L-Arginine 700 mg capsule | L-Arginine capsules contain 700 mg pure, crystalline L-arginine.
Quick view Compare L-Carnitine 250 mg 100 capsules by Douglas Labs Douglas Laboratories $40.95 L-Carnitine 250 mg capsule | L-Carnitine supplements supply pure, natural L-carnitine in capsule form.
Quick view Compare L-Glutamine 500 mg 60 capsules by Douglas Labs Douglas Laboratories $14.80 L-Glutamine 500 mg capsule | L-Glutamine 500 mg capsules contain 500 mg of pure crystalline L-glutamine.
Quick view Compare L-Glutamine Powder 250 g by Douglas Labs Douglas Laboratories $49.00 Pure L-Glutamine powder 4 g | A key amino acid for intestinal health and immune function, providing 4,000 mg of pure L-glutamine per serving.
Quick view Compare L-Glutathione Plus 90 lozenges by Douglas Labs Douglas Laboratories $48.60 Glutathione and NAC lozenge | L-Glutathione Plus provides 150 mg of reduced L-glutathione and 50 mg of N-Acetyl-L-Cysteine in a specially formulated lozenge.
Quick view Compare L-Methionine 500 mg 60 capsules by Douglas Labs Douglas Laboratories $28.00 L-Methionine 500 mg capsule | L-Methionine supplies 500 mg of this essential amino acid.
Quick view Compare L-Phenylalanine 500 mg 90 capsules by Douglas Labs Douglas Laboratories $25.20 L-Phenylalanine 500 mg capsule | L-Phenylalanine supplies 500 mg of pure L-phenylalanine in each capsule.
Quick view Compare L-Serine 500 mg 60 capsules by Douglas Labs Douglas Laboratories $50.80 L-Serine 500 mg capsule | L-Serine supplies 500 mg of the amino acid in each capsule.
Quick view Compare L-Theanine 100 mg 60 capsules by Douglas Labs Douglas Laboratories $37.20 Promotes a feeling of calmness | L-Theanine supplies 100 mg of pure L-theanine in each vegetarian capsule. L-Theanine is an amino acid that may promote a sense of calmness.
Quick view Compare L-Tryptophan 500 mg 60 vcaps by Douglas Labs Douglas Laboratories $52.20 L-Tryptophan 1,000 mg with Bioperine and B vitamins | L-Tryptophan is an essential amino acid and a precursor for the synthesis of serotonin. Tryptophan crosses the blood-brain barrier and is...
Quick view Compare L-Tyrosine 500 mg 100 capsules by Douglas Labs Douglas Laboratories $38.20 L-Tyrosine 500 mg capsule | L-Tyrosine supplies 500 mg of L-tyrosine in each gelatin capsule.
Quick view Compare Lipoic Acid 100 mg - 60 capsules by Douglas Labs Douglas Laboratories $32.60 100 mg Alpha-lipoic acid capsules | Lipoic Acid capsules contain 100 mg of pure alpha-lipoic acid. Alpha-lipoic acid is a non-vitamin coenzyme that carries out important metabolic and antioxidant...
Quick view Compare Liquid B12 (with methylcobolamin) 1 fl oz (30 ml) by Douglas Labs Douglas Laboratories $19.20 Natural Cherry flavored liquid Vitamin B-12 | Liquid B12 provides 1,000 mcg of highly bioavailable vitamin B12 and formulated with methylcobalamin in a tasty and convenient natural cherry-flavored...
Quick view Compare Liquid Cal/Mag/D 450 ml (15 fl oz) by Douglas Labs Douglas Laboratories $42.60 Natural raspberry-flavored liquid | Liquid Cal/Mag/D provides the essential nutrients for bone health-calcium, magnesium, and vitamin D3-in a great-tasting raspberry-flavored liquid, sweetened...
Quick view Compare Liquid D and K 1 fl oz (30 ml) by Douglas Labs Douglas Laboratories $60.20 Vitamins K1, K2, and D3 in great-tasting liquid | Liquid D and K is a unique, great tasting liquid supplying significant amounts of vitamins K1 and K2 as well as vitamin D3 to support optimal bone...
Quick view Compare Liquid Magnesium 8 oz (240 ml) by Douglas Labs Douglas Laboratories $35.40 Magnesium Citrate in a pomegranate-flavored liquid sweetened with stevia | Liquid Magnesium supplies magnesium citrate in a great-tasting pomegranate flavored liquid, sweetened naturally with stevia.
Quick view Compare Liquid Multivitamin 7.8 fl oz (230 ml) by Douglas Labs Douglas Laboratories $55.40 Natural raspberry flavored liquid multivitamin | Liquid Multivitamin supplies essential vitamins, minerals and trace elements in a great tasting, easy to take liquid supplement. The naturally...
Quick view Compare Liquid Vitamin D3 22.5 ml (0.75 oz) by Douglas Labs Douglas Laboratories $30.60 Neutral-tasting, high concentration liquid vitamin D3 | Liquid Vitamin D3 is a highly concentrated, neutral tasting, and sugar-free liquid supplying 25 mcg (1,000 IU) of natural vitamin D3 per drop.
Quick view Compare Livdetox 120 tablets by Douglas Labs Douglas Laboratories $35.80 Lipotropic nutrients plus herbs for liver support | Livdetox tablets contain several lipotropic nutrients and herbal ingredients to help maintain liver structure and function and support the liver's...