It acts as a mitochondrial messenger that communicates with the nucleus to maintain cellular homeostasis, making it a promising target for research on metabolic health, exercise performance, and healthy aging 1-4
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The risks depend, among other factors, on which product was used, where it was injected, how deeply it was injected, whether sterile technique was used and whether there are underlying medical conditions or medications
The KFF Health Tracking Poll from May 2024 found that 12% of U.S
Mercaptopurine (6-MP) Starting Dose Guidance TPMT / NUDT15 phenotype Recommended starting dose Normal metabolizer (NM/NM) 100% standard dose Single intermediate metabolizer (TPMT or NUDT15 IM) 3080% of standard dose Compound IM (TPMT IM + NUDT15 IM) 2050% of standard dose Any poor metabolizer (TPMT PM and/or NUDT15 PM) ~10% of dose + reduced frequency (e.g., 3/week) Non-malignant disease + PM Avoid thiopurines Azathioprine Non-Malignant Conditions TPMT / NUDT15 phenotype Recommended starting dose Normal metabolizer 100% standard dose (e.g