glutathione and coccidioides COCC:SSR (formerly Valley Fever Series Therapy) by DesBio RCSB PDB - 3N5O: Crystal

This is fundamental, so the 3-month kit below may be a good starting point

10.1038/s41418-019-0380-z 225 WangM.MaoC.OuyangL.LiuY.LaiW.LiuN.et al (2019)

Medically, vitamin B12 shots are only for people suffering from B12 deficiency

Neuroprotective Effects of N-Acetyl Cysteine on Primary Hippocampus Neurons against Hydrogen Peroxide-Induced Injury Are Mediated via Inhibition of Mitogen-Activated Protein Kinases Signal Transduction and Antioxidative Action

We're talking about a compound that, in preclinical studies (mostly in animal models), has shown a remarkable ability to promote healing in a variety of tissuesfrom muscle and bone to ligaments and, yes, tendons