Benfotiamine (S-benzoylthiamine-O-monophosphate) is a synthetic derivative of thiamin (Vitamin B1) belonging to the family of compounds known as antihistamines. Benfotiamine helps maintain

Doctor’s Best Natto-Serra supports healthy immune response and supports healthy circulation.* It is a combination of two natural proteolytic enzymes, serrapeptase and

Doctor’s Best L-Theanine with Suntheanine is a patented form of the amino acid L-theanine. L-theanine is an amino acid found in green

Doctor’s Best High Absorption CoQ10 is an easy-to-absorb form of a key nutrient that powers and protects the body’s high-energy organs and

Doctor’s Best D-phenylalanine is a non-protein amino acid related to the essential amino acid L-phenylalanine. D- and L-phenylalanine are structural mirror images

Doctor’s Best MSM features OptiMSM, a highly purified form (99.9% pure) of methylsulfonylmethane (MSM). Since the amount of MSM found naturally in