The most common preparation error: injecting air into the vial while drawing the dose
But like any treatment, results can vary
Some research has shown that collagen supplements may help prevent bone breakdown and associated diseases ( If you experience reduced bone mineral density, collagen supplements along with adequate calcium, vitamin D, and phosphorus intake may be a worthwhile investment to help preserve bone mass
Pettegrew JW, Levine J, McClure RJ: Acetyl-L-carnitine physical-chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression
2020;26:e76-83
The formula includes supporting ingredients that make sense: trans-resveratrol for sirtuin activation, quercetin for antioxidant support, betaine for methylation, and B vitamins that participate in NAD+ metabolism