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NAD and the aging process: role in life, death and everything in between
[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
The Finnrick testing data paints a sobering picture: across thousands of independent tests, quality varies dramatically between vendors, and even the biggest names failed consistency standards
Structural peptides like BPC-157 carry minimal CNS interaction risk, while neuropeptides like Cerebrolysin and Dihexa modulate the same neurotransmitter systems that antidepressants target
L-theanine this supplement can be paired with caffeine to boost alertness
