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If a scheduled amount is missed, there is no approved guidance and doubling is not supported by evidence
Injections are more effective for those with absorption issues or severe deficiency, but oral supplements work well for most people with mild deficiency and normal absorption
Treating with 5-amino-1MQ improved grip strength better than exercise alone in aged mice
GHK-Cu has similar cosmetic study data demonstrating improvements in skin thickness, collagen content, and elasticity
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