Douglas Laboratories

4:1 carbohydrate to protein ratio to be taken post-workout or competition. | Klean Recovery is a delicious milk chocolate flavored powder formulated with the athlete's recovery in mind. A 4:1 ratio...

4:1 carbohydrate to protein ratio to be taken post-workout or competition. | Klean Recovery is a delicious milk chocolate flavored powder formulated with the athlete's recovery in mind. A 4:1 ratio...

Supports muscle function | Klean Athlete SR Beta-Alanine supports muscle capacity and lessens muscle fatigue to benefit athletic performance. The amino acid beta-alanine supports muscle function by...

Klean-C is a delicious, strawberry orange-flavored chewable tablet designed to support an athletes immune system and connective tissues. These statements have not been evaluated by the Food and Drug...

Targeted support when your body can't produce Vitamin D naturally. | Klean-D contains 5,000 IU of natural vitamin D3 per tablet. Vitamin D supplementation may help support immune health,...

Klean-D contains 25 mcg (1,000 IU) of vitamin D3 per tablet as targeted support for athletes who train indoors or receive limited exposure to natural sunlight. These statements have not been...

A source of omega-3 fatty acids, phospholipids and astaxanthin | Krill Oil supplies the omega-3 fatty acids EPA and DHA, phospholipids, and astaxanthin for many health benefits, such as cognitive,...

L-Arginine 500 mg capsule | L-Arginine capsules contain 500 mg pure, crystalline L-arginine.

L-Arginine 700 mg capsule | L-Arginine capsules contain 700 mg pure, crystalline L-arginine.

L-Carnitine 250 mg capsule | L-Carnitine supplements supply pure, natural L-carnitine in capsule form.

L-Glutamine 500 mg capsule | L-Glutamine 500 mg capsules contain 500 mg of pure crystalline L-glutamine.

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.

L-Methionine 500 mg capsule | L-Methionine supplies 500 mg of this essential amino acid.

L-Phenylalanine 500 mg capsule | L-Phenylalanine supplies 500 mg of pure L-phenylalanine in each capsule.

L-Serine 500 mg capsule | L-Serine supplies 500 mg of the amino acid in each capsule.

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.

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...

L-Tyrosine 500 mg capsule | L-Tyrosine supplies 500 mg of L-tyrosine in each gelatin capsule.

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...

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...