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Douglas Laboratories has been at the forefront of the nutritional health industry for over 50 years, engaging in the kind of top-notch product research and development that allows them to produce excellent science-based dietary supplements to help people improve their health. They offer one of the largest and most innovative selections of premium products as a healthcare practitioner brand and operate under a simple promise: provide the highest quality nutritional supplements available with the highest level of personal service—anywhere.
L-Theanine
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-Theanine
$42.50
L-Tryptophan
L-Tryptophan is an essential amino acid and a precursor for the synthesis of serotonin. Tryptophan crosses the blood-brain barrier and is converted to L-5-hydroxytryptophan (5-HTP), which in turn is converted into serotonin. Serotonin is an important neurotransmitter necessary for the regulat...
L-Tryptophan
$54.50
Liposomal Glutathione
Liposomal Glutathione contains 250 mg of glutathione in its active reduced form paired with a liposomal phospholipid complex to enhance absorption. Glutathione is an important nutrient in the body that supports antioxidant defenses, cellular function and liver detoxification pathways.‡
Liposomal Glutathione
$87.50
Liquid B12
Liquid B12 provides 1,000 mcg of highly bioavailable vitamin B12 and formulated with methylcobalamin in a tasty and convenient natural cherry-flavored liquid.
Liquid B12
$20.00
Liquid Magnesium
Liquid Magnesium supplies magnesium citrate in a great-tasting pomegranate flavored liquid, sweetened naturally with stevia.
Liquid Magnesium
$38.50
Magnesium Citrate
Magnesium Citrate supplies 150 mg of elemental magnesium from bioavailable magnesium citrate in each convenient vegetarian capsule.
Magnesium Citrate
$19.00
Magnesium Glycinate
Magnesium (glycinate) is a highly bioavailable magnesium chelate, which supports the metabolism and utilization of carbohydrates, amino acids and fats for energy. Magnesium (glycinate) helps activate enzymes for physiological functions including cardiac health.‡
Magnesium Glycinate
$27.00
Magnesium Oxide
Magnesium Oxide supplies 300 mg of elemental magnesium from magnesium oxide in each capsule.
Magnesium Oxide
$11.50
Magnesium/Potassium Aspartate
Magnesium and potassium are minerals involved in important physiological functions that contribute to overall health.‡
Magnesium/Potassium Aspartate
$47.50
MCT/Butyrate Liquid with Sunbutyrate™
MCT/Butyrate Liquid with SunButyrate™ combines two unique ingredients to fuel the brain by way of ketone production. Ketones are energy-producing molecules made from fatty acids such as medium-chain trigylcerides (MCT) and butyrate triglycerides. MCT/Butyrate Liquid with SunButyrate™ provides...
MCT/Butyrate Liquid with Sunbutyrate™
$52.00
Melatonin 3 mg
Melatonin 3 mg capsules contain 3 mg of high purity melatonin produced under strict Good Manufacturing Practices (GMP) standards.
Melatonin 3 mg
$16.00
Melatonin Prolonged Release
Melatonin P.R. contains 3 mg of high purity melatonin in a prolonged-release tablet, formulated to slowly break down and release in the small intestine.
Melatonin Prolonged Release
$47.50
Methyl B12 Plus
Methyl B12 Plus provides Metafolin® L-methylfolate and vitamin B12 methylcobalamin in a great-tasting lozenge designed to be rapidly dissolved in the mouth and swallowed. Methylfolate and methylcobalamin are the predominant forms of folate and vitamin B12 found in the body. Methyl B12 Plus lo...
Methyl B12 Plus
$24.00
Methyl Folate 1,000 mcg Metafolin®
Methyl Folate provides 1,000 mcg of Metafolin®, a patented form of (6S) 5-methyltetrahydrofolate (5-MTHF). 5-MTHF is the naturally occurring, predominant form of folate commonly found in cells and is essential for overall health, as it participates as a cofactor in a reaction that involves th...
Methyl Folate 1,000 mcg Metafolin®
$25.00
Milk Thistle Max-V
Milk Thistle Max-V vegetarian capsules contain 250 mg of milk thistle extract, standardized to contain a minimum of 80% of the flavonoid silymarin, which is known to support a healthy liver.‡
Milk Thistle Max-V
$37.50
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