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Taking vitamin C as a dietary supplement is, by and large, safe, but there are certain medical conditions for which medical advice should be sought before vitamin C supplements are started
Using the wrong injection site can lead to ineffective absorption and potential discomfort
A 2019 review in Nutrients examining NAD+ precursor safety in human clinical trials found oral NMN and NR well-tolerated at doses up to 1,000 mg/day with no serious adverse events reported
Always tell your doctor about any medications you take, whether prescription or over-the-counter
Elderly patients tend to have a greater frequency of decreased hepatic, renal, or cardiac function, and also have concomitant disease or receiving other drug therapy
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