Vision changes have been reported and may worsen existing diabetic eye disease in rare cases
Rotate injection sites to avoid injection-site reactions or nodules, which can occur particularly with some formulations
NAC was consistently rated safe and well-tolerated
Pacheco-Pantoja EL, Ranganath LR, Gallagher JA, Wilson PJ, Fraser WD
Surgical intervention : When conservative measures fail, surgical repair (such as Achilles tendon repair, rotator cuff repair, or ACL reconstruction) provides well-studied, reliable outcomes
Not only that but you end up with increased amounts of oxidants which have been linked to accelerate the ageing process