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Additionally, NAD+ plays a role in neurotransmitter synthesis, which is crucial for efficient communication between neurons, thereby enhancing cognitive functions such as mental clarity, memory, and focus (4)

However, the existing evidence is still limited and not strong enough to establish a definitive connection

Serum concentrations of vitamin B12 during treatment were in the high range of normal or above normal

Vitamin B12 deficiency is most common in people who have a disease or condition in which the body is unable to absorb vitamin B12 from ingested foods

To maximize performance-enhancing effects in test subjects, researchers may prefer to administer IGF-1 LR3 to test subjects only on days when exercise is induced