But as people age, they may have a harder time extracting B12 from their food, which is why doctors sometimes recommend a B12 supplement, preferring methyl B12, the natural kind Attia takes, because it's easier on the kidneys
There is no published evidence linking oral NAD+ supplementation to significant weight loss or GLP-1 production
The right choice depends on understanding how this antioxidant interacts with your biology and why the delivery method is the most important factor in seeing results
They observed a significant improvement in cholesterol and CRP, which was correlated with the changes in Bifidobacterium spp
That said, copper peptides are most effective for maintenance and early intervention, rather than aggressive correction, says Dr