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However, based on related compounds and user reports, potential side effects may include: Injection site irritation (redness, itching, or tenderness) Fatigue or drowsiness Possible disruption of glucose metabolism Increased hunger or short-term blood sugar fluctuations Older research from 1978 found that similar C-terminal HGH fragments caused temporary rises in blood glucose and insulin levels in animals, indicating possible insulin sensitivity issues

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Most adolescents and adults require 2.4 micrograms per day, while higher levels are recommended for pregnant or breastfeeding women

When used with oral contraceptives B6 may reduce their effectiveness and cause nausea (31)