glutathione or vitamin c which is better GHOST® BASICS + water soluble vitamin C for optimal effectiveness Glutathione 1000mg x 240 Tablets

Research shows that GHK-Cu promotes wound healing , enhances collagen and protein synthesis , supports immune balance , and improves the overall health and elasticity of the skin

Sies H, Mailloux RJ, Jakob U

Shugart, E

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Whilst the NHS notes that taking up to 2,000 micrograms daily is unlikely to cause harm in most people, there is generally no benefit to consuming such excessive amounts unless treating confirmed deficiency under medical supervision

To learn more about the gut microbiome of dogs, see our article on Dog Gut Health: The 4 Ways to Restore It Naturally