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Studies such as this one published in PMC highlight the role of malabsorption from mucocutaneous disorders like epidermolysis bullosa can lead to deficiencies that cannot be addressed adequately with oral supplements

And yes, iron supplementation can help

GHK-Cu is a naturally occurring copper peptide found in the human body that plays a critical role in: Collagen and elastin production Skin renewal and repair Wound healing and tissue regeneration As we age, natural GHK-Cu levels decline, which contributes to wrinkles, loss of firmness, slower healing, and skin damage

Lipotropic combinations are unlicensed in the UK and must be supplied as MHRA-regulated 'specials' on prescription