It could point to several things: A different cause: your fatigue might stem from thyroid problems, iron deficiency, or sleep apnea rather than B12
Diagnostic ultrasound is the gold standard imaging tool for assessing tendon structure not only in the Achilles also in other areas of the body including the shoulder (Stenroth et al, 2019)
Research Applications 5-Amino-1MQ has been investigated in research contexts including: Adipose tissue biology research NAD+ metabolism and methylation pathway studies Obesity and metabolic dysfunction models Cellular research on NNMT enzyme function Comparative studies against other NAD+ pathway interventions Quality & Testing Every batch of 5-Amino-1MQ supplied by Drexa Labs is supported by an independent Certificate of Analysis documenting HPLC purity (98%), mass spectrometry identity confirmation, physical appearance, and water content
Judson, G., Babidge, P., Chen, Z., & Sansom, L
doi: 10.1007/s11940-021-00692-2 [PubMed] LaHue S.C
If your goal is overall optimization, sermorelin is usually the better fit