Studies looking at NR doses up to 2,000mg per day and NMN doses up to 1,200mg per day found no differences in adverse effects between intervention and placebo groups.31 4 In studies of higher doses that produced adverse effects, typical reactions included:32 Headache Dry mouth GI upset Muscle cramps or spasms As with many forms of vitamin B, NR can cause some flushing, and both NR and NMN can cause digestive upset
real-world data
These are known as phase II detoxification enzymes that comprise of at least 8 classes of isoenzymes: alpha (A), kappa (K), mu (M), omega (O), pi (P), sigma (S), theta (T), and zeta (Z)
Professional guidance, nutritional counseling, physical activity, and regular follow-up appointments all contribute to long-term success
So, the less of it you have, the colder you may run
their results may not be typical