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Despite its growing popularity among athletes and its wide availability through non-regulated sources, there is minimal human data available. Vasireddi et al., American Journal of Sports Medicine, 2025 This gap matters
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It might also contain branched-chain amino acids and L-carnitine
382 One study reported that, 383 treating HCT116 cells with a low concentration (0.3 mM) of GYY4137 (a slow-release H 2 S donor) increased the proliferation rate of HCT116 cells, while enhancing mitochondrial function and glycolysis, thereby promoting tumor growth
There are many variables involved in a treatment program with B12 injections
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