Umbrella Labs is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic act
Keep remaining powder frozen for later
Include electrolytes (sodium, potassium, magnesium) if you are eating significantly less than usual, as reduced food intake also means reduced electrolyte intake
For recovery enhancement, performance optimisation, or longevity goals in healthy people, until a randomised, placebo-controlled trial in a defined population with an objective primary endpoint and pharmacovigilance over a clinically meaningful duration produces data we do not currently have, we just don't have good evidence of benefit, let alone safety
Using Copper to Improve the Well-Being of the Skin