Glyco Carn is the only ingredient proven to increase nitric oxide levels in the human bloodstream. It's used in a number of the best nitric oxide supplements available including muscle recovery supplements. Glyco Carn has been shown to offer the following benefits: Provide bodybuilding nutrition Increase blood flow Increase cellular energy Improve fatty acid & carbohydrate metabolism in the cell's mitochondria Reduce muscle tissue damage Increase removal of toxins such as lactic acid Improve muscle recovery capacity Improve circulation How does Glyco Carn brand of GPLC work? Glycine propionyl-L-carnitine hydrocholoride appears to increase cellular L-carnitine concentrations in active muscle fibers, which may support an increase in muscle-cell energy production (ATP energy) due to a heightened flow of pyruvate into the Kreb's cycle. In addition, studies indicate that Glyco Carn raises the nitric oxide levels in humans, which assist in energy production, bodybuilding nutrition, & metabolic waste detoxification. Are there side effects to Glyco Carn? There are no known side effects to Glyco Carn, but as with any supplementation, individuals should seek advice of your doctor prior to altering their dietary & exercise regimens. What is the difference between Glyco Carn & other forms of GPLC? Sigma-tau Health Science brings over 30 years of research & scientific expertise in L-Carnitines & their effect on metabolism & mitochondiral functions to its patented, USP safe, pharmaceutical grade & clinically proven formula of GPLC. Is Glyco Carn safe for athletes? Glyco Carn is certified USP safe & is approved, in its raw material, safe from substances banned in sports. Glyco Carn recommends using only end-products that are batch screened regularly by Informed Choice for these banned substances to ensure athletes remain free from sports banned substance contamination. Is Glyco Carn a better choice for libido enhancement than pharmaceuticals? As with any supplement or medicine, individuals should consult their doctors first before taking. Unlike some popular pharmaceutical libido enhancers, Glyco Carn (GPLC) does not conflict with nitrates or alpha-blockers such as Flomax, Hytrin, or Cardura in the system. Only your doctor can help you make the right choice. Where can I find Glyco Carn? Glyco Carn is a raw material produced by Sigma-tau Health Science for supplement manufacturers. End products vary from tablets & powders to caplets, liquids & bars.