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Injectable B12 (1,000 mcg monthly) and sublingual forms (1,0002,000 mcg daily) achieve higher bioavailability independent of digestive function

Possible side effects of IGF-1 LR3 administration can include [1, 14, 15]: Hyperandrogenism Muscle and joint pain Nausea Headache Impaired glucose metabolism and hypoglycemia Fatigue Changes in sexual function Soft tissue swelling Researchers should thoroughly check glucose, cholesterol, and bone density levels before administering IGF-1 LR3 to test subjects

Practical points (dose-related) Do not give IV use SC, IM or oral routes

This approach mirrors how longevity-focused clinicians use other interventions, prioritizing a sustained, low-amplitude signal over a short, high-amplitude intervention