l carnitine vs citrulline malate vs. Arginine – Which One's Better for Vasodilation? @moreplatesmoredates A lot of pre-workouts still include Arginine under the assumption that since it's the direct precursor to nitric oxide, it must be Overview of mechanisms related to

However, high doses of vitamin B12, such as those used to treat a deficiency, might cause: Headache Nausea and vomiting Diarrhea Fatigue or weakness Its important to note that these side effects are generally mild and temporary

Most data comes from preclinical studies and off-label observations

BMC cardiovascular disorders 14, 88 (2014)

IGF-1 Actions: Promotes muscle cell growth and repair Stimulates fat breakdown (lipolysis) Enhances protein synthesis Supports bone and joint health Increases insulin sensitivity (in moderate doses) Key Points to Know: HGH is the signal, but IGF-1 is the workhorse behind most of the effects athletes want

1 vial covers ~30 daily draws

Search co-occurrence reflects shared research interest, not mechanistic overlap