Doctor's Best Fully Active B12 provides a vitamin B12 in its most bioactive form as Methylcobalamin for optimum absorption. Vitamin B12 is a key factor involved in Dna synthesis, fatty acid and amino acid metabolism in the body. It is essential in the production of red blood cells in the bone marrow and nerve sheath. Vitamin B12 is essential for neurological health, mood and energy.

Doctor's Best Fully Active B12 1 500 mcg - 180 Veggie Caps - Assorted Pre-pack (See Table 9

Doctor's Best Fully Active Folate with Quatrefolic contains Quatrefolic, the glucosamine salt of (695-methyl-tetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility.

Doctor's Best Fully Active Folate 800 with Quatrefolic 800 mcg - 60 Veggie Caps - Assorted Pre-pack (See Table 9

Tyrosine is conditionally essential amino acid that is a precursor to the catecholamine transmitters dopamine, epinephrine, and norepinephrine. These are vital messengers for the brain and the body's other nerve networks. The thyroid gland also needs tyrosine to make the vital hormone thyroxine.

Doctor's Best L-Tyrosine 500 mg - 120 Veggie Caps - Assorted Pre-Pack

Doctor's Best Stabilized R-Lipoic Acid contains BioEnhanced Na-rala, the sodium salt of R-Lipoic acid (Rla).

Doctor's BestStabilized R-Lipoic Acid with BioEnhanced Na-rala 100 mg - 180 Veggie Caps - Assorted Pre-pack (See Table

Product Info

Doctor's Best Stabilized R-Lipoic Acid with BioEnhanced Na-rala 100 mg - 180 Veggie Caps - Assorted Pre-pack (See Table