Human studies have shown that PYY delays gastric emptying and promotes satiety (165), while short-term intravenous administration of PYY3-36 , at doses generating physiologic postprandial blood excursions, was shown to decrease calorie intake by approximately 30% in lean and obese subjects, without causing nausea, affecting food palatability, or altering fluid intake, nor was it followed by compensatory hyperphagia (166)
They're complementary, not redundant
The injury remains sensitive
Continue Reading How to give a B12 injection to yourself from the comfort of your home
Shop Performance Lab NutriGenesis Final Thoughts If injections aren't your thing, but you think you may be at risk of a B12 deficiency, taking a supplement is a good place to start
If youre going to try a supplement, get basic labs done when appropriate, and start with one type of supplement at a time