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The mechanism operates on multiple levels simultaneously

Tri B injections work through complementary mechanisms: B1 (thiamine) acts as a coenzyme in energy metabolism, B6 (pyridoxine) facilitates neurotransmitter synthesis (GABA, serotonin), and B12 (cobalamin) supports myelin formation and nerve conduction

You can take these injections intravenously and occasionally intramuscularly, once or twice a week

As you get older, the systems that rely on NAD+ (like energy production, cognitive function, skin repair, immune health, and inflammation regulation) start to slow down, and declining NAD+ levels appear to be a key driver behind that slowdown