Best Ubiquinol featuring Kaneka QH contains the reduced form of coenzyme Q10. Both ubiquinol (CoQ10-H2) and ubiquinone (CoQ10) are metabolically active, and are found...

Doctor’s Best 5-HTP enhanced with Vitamins B6 and C provides support for sleep* 5-HTP aids serotonin production Serotonin is the chemical neurotransmitter produced in the brain that helps regulate...

Acetyl-L-Carnitine serves as a transport molecule for “active acetate,” which is a source of fuel for metabolic processes that take place in cells. Acetyl-L-Carnitine carries active acetate (the...

Artemisinin (100mg) Description from Doctor's Best Doctor's Best Artemisinin contains high quality Artemisinin or Ching-hao-su, an extract from the traditional Chinese herb Artemisia annua (sweet...

Astaxanthin is a powerful, versatile, and naturally occurring antioxidant found in nature that contributes to circulatory, immune, skin, and eye health through its unique ability to penetrate the...

Benfotiamine 150 Description from Doctor's Best Doctor's Best Benfotiamine is a fat-soluble form and highly bioavailable derivative of thiamin (Vitamin B1). Benfotiamine is activated in the...

Best Benfotiamine 150 + Alpha-Lipoic Acid 300 Description from Doctor's Best Benfotiamine is a highly bioavailable, synthetic derivative of thiamin that (like ALA) can influence biochemical...

High Potency Bromelain (3000GDU) Description from Doctor's Best Bromelain is an enzyme derived from pineapple stem and fruit that has proteolytic (protein-digesting) properties. The bromelain...

Helps maintain healthy cells in the presence of blood glucose and controls formation of Advanced Glycation End-products (AGEs).* This product is a water soluble extract which does not contain the...

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Fisetin with Novusetin (100mg) Description from Doctor's Best Doctor's Best Fisetin with Novusetin contains a naturally sourced flavonol that displays positive effects on brain cells and cognitive...

Fucoidan 70% Description from Doctor's Best Doctor's Best Fucoidan 70% contains the glyconutrient fucoidan derived from brown algae. Seaweeds are a part of the diet in many cultures and...

Fully Active Folate with Quatrelolic (400mcg) Description from Doctor's Best Functional deficiencies of the essential nutrient folate (folic acid) are common, and can impair key life processes...

Doctor’s Best Vegan Glucosamine Sulfate with GreenGrown Glucosamine helps support normal, healthy joint function and maintain healthy joints.* GreenGrown Glucosamine is made using a patented...

High Potency Serrapeptase (120,000 SPU) Description from Doctor's Best Serrapeptase (serratio-peptidase) is a protein-digesting enzyme isolated from the friendly bacterium Serratia E-15 discovered...

A naturally occurring compound in the body, L-Carnitine is a nutrient required for cells to burn fat.*

L-tryptophan is an essential amino acid (protein building block) in human nutrition. Essential amino acids are not synthesized by the body and must be obtained in the diet. The L-tryptophan in...

Doctor’s Best Lumbrokinase provides enzymatic support to help maintain cardiovascular function.* Lumbrokinase is the name of a group of highly stable fibrinolytic enzymes. These proteolytic...

Best NAC Detox Regulators is a combination of nutrients to support cellular glutathione levels and healthy redox balance, promoting the body's cleansing capacities.*

Best Noni Powder Description from Doctor's Best Doctor's Best Noni Fruit Powder contains pure non-GMO Organic Noni fruit powder (Morinda citrifolia). Noni fruit has a long history of traditional...