This idea is owing to Fashionable Doggy Magazine around in this article and you will use any variation of The bottom recipe they give – which is basically just cold water, incredibly hot drinking water and gelatin. (Which ought to, they emphasize for obvious basic safety reasons, be unflavoured!) https://beckettlaobo.theblogfairy.com/32936886/5-easy-facts-about-muscle-recovery-chews-for-pets-described