It is vital for immune function by serving as a primary source of energy for immune cells

Magnesium (as magnesium chloride)

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which can help with performance

It contributes to the synthesis of neurotransmitters like serotonin and dopamine

Maximum L Arginine 1000 mg - Muscle Builder - 100 capsules vitamin e It is vital for immuneL arginine is a semi essential amino acid, meaning the body can produce it under certain conditions, but it may be necessary to obtain it through diet or supplements in some cases. L arginine helps increase the production of nitric oxide, which improves blood vessel dilation and blood flow to the muscles. This can enhance performance and endurance during exercise, as well as benefit overall heart health. Additionally, it can help improve immune system