Source Naturals

L-Theanine is a unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and is the primary ingredient contributing to the unusual taste of green tea. Animal studies have shown...

L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a predecessor for neurotransmitters in the brain. Tyrosine is also a predecessor for the protective skin...

L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a predecessor for neurotransmitters in the brain. Tyrosine is also a predecessor for the protective skin...

L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a predecessor for neurotransmitters in the brain. Tyrosine is also a predecessor for the protective skin...

L-Valine is an an essential amino acid, specifically classified as a "branched-chain amino acid" (BCAA). BCAA's stimulate protein synthesis directly in muscle tissue. Valine is a major fuel involved...

Lactose intolerance occurs in more than 50% of the world's population. Source Naturals Lactase Digest assists in the digestion of dairy products for people with lactose intolerance. Lactase Digest...

Lactose intolerance occurs in more than 50% of the world's population. Source Naturals Lactase Digest assists in the digestion of dairy products for people with lactose intolerance. Lactase Digest...

Lecithin is a natural substance found in cell membranes and is manufactured in the liver from dietary choline. It contains a mixture of phosphatides, including phosphatidyl choline, an important...

Lecithin is a natural substance found in cell membranes and is manufactured in the liver from dietary choline. It contains a mixture of phosphatides, including phosphatidyl choline, an important...

Life Force Vegan Multiple Updates Our Award-Winning Life Force Multiple With This , All Vegan Formula. This High Potent, Bio-Aligned Formula Supports Essential Cellular Energy And Healthy Balance Of...

Lutein is a potent antioxidant carotenoid found in abundance in fruits and green leafy vegetables. Lutein is also one of the dominant pigments found in the macular region of the retina in the eye. In...

Lutein is a potent antioxidant carotenoid found in abundance in fruits and green leafy vegetables. Lutein is also one of the dominant pigments found in the macular region of the retina in the eye. In...