Douglas Laboratories

Douglas Labs L-Phenylalanine supplies 500 mg of pure L-Phenylalanine in each capsule. Phenylalanine is an essential amino acid that must be obtained through the diet. Found primarily in high...

Douglas Labs L-Proline supplies 500 mg of the amino acid L-proline in each capsule. L-Proline plays an important role in skin health and collagen formation as the body can convert proline into...

Douglas Labs L-Serine supplies 500 mg of the amino acid in each capsule.  L-serine can play important roles in the body to form the sulfur-rich amino acid, L-cystine.  Ingredients: Serving Size...

Douglas Labs L-Theanine supplies 100 mg of pure L-theanine in each vegetarian capsule. L-theanine is an amino acid that may promote a fast-acting sense of calmness. Ingredients: Serving Size 1...

Douglas Labs L-Threonine supplies 500 mg of this amino acid in each capsule. L-Threonine is an essential amino acid that must be obtained from the diet. It can play important roles in supporting...

Douglas Labs L-Tyrosine 500 mg capsule is an L-crystalline amino acid in supplemental form that may support neurotransmitters and stress-related performance, memory, alertness, and sense of...

Licorice has been used in Traditional Chinese Medicine for hundreds of years to support the body, including the gastrointestinal system. It was often used as a demulcent, to soothe and coat the...

Douglas Labs Lipanase is a natural pancreatic enzyme supplement formula providing 600 mg of quadruple strength pancreatin, which is equivalent to 2,400 mg of regular USP pancreatin.  The pancreas...

  Douglas Laboratories Liposomal Glutathione, contains 250 mg of glutathione in its active reduced form paired with a liposomal phospholipid complex to enhance absorption. Glutathione is an...

Douglas Labs Lipotrol is a unique professional formula containing naturally occurring dietary fibers including guar gum, as well as lecithin and other nutrients important in healthy fat and...

Douglas Labs Liquid Cal/Mag/D provides the essential nutrients for bone health - calcium, magnesium, and vitamin D3 - in a great-tasting raspberry-flavored liquid, sweetened naturally with stevia...

Supports Bone Health: Vitamin D is a key regulatory hormone for calcium and bone metabolism.* Great-Tasting: Raspberry-flavored liquid, sweetened naturally with stevia and xylitol. Bone & Joint: Our...