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1,2 SORT: KEY RECOMMENDATIONS FOR PRACTICE Figure 1 In the United States and the United Kingdom, the prevalence of vitamin B 12 deficiency is approximately 6% in persons younger than 60 years, and nearly 20% in those older than 60 years
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GHK-Cu has an extremely high affinity for copper(II), with a dissociation constant (Kd) of approximately 10 M, meaning the peptide-copper bond is exceptionally strong
Stress, poor nutrition, environmental toxins, and ongoing oxidative stress can all contribute to lower levels
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