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But, it does say that cosmetic products must be safe for their intended use
Mol Membr Biol 17:143156

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[18] [19] According to a 1961 study, patients with addiction who got NAD+ at a moderate IV drip rate (no more than 35 drops per minute) reported no distress but those who received it at a quicker drip rate complained of headache and shortness of breath
Stress habituation, body shape and cardiovascular mortality
Proceedings of the National Academy of Sciences , 99 (16), 1023710239
