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Containers should be sealed tight when not in use to prevent moisture exposure and contamination that can affect research outcomes
GHK-Cu has a longer history of research and clinical application, making it more widely used in medical and dermatological treatments, whereas it is a newer peptide with specific anti-aging properties
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31 Since the 2021 review, one more RCT has been published that compared oral B12 alone, 25 g per day (form not reported), or with folate (800 g per day) versus no supplements for 6 months in patients with mild cognitive impairment
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