Citrus fruits, berries, peppers, and leafy greens provide dietary vitamin C
Shots tend to work faster than oral pills because they bypass the digestive system
Perez-Hernandez, G., Paul, F., Giorgino, T., De Fabritiis, G
The researchers hypothesized that combining L-arginine (the precursor to nitric oxide) with vitamin C (to protect the nitric oxide from oxidative destruction) would restore endothelial function
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, Integrative Peptides, BPC-157, 500