The main ones to avoid are organ and glandular meats, and some seafood, such as: cod scallops shellfish sardines anchovies mussels salmon trout haddock organ meats Other purine-rich foods that should be limited include: pork turkey bacon duck mutton veal venison Some vegetables are high in purines, but studies have shown that they do not increase the risk of gout or gout attacks
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
Many factors, including gluten, infections, medications, and stress, can damage the gut, allowing toxins, microbes, and undigested food particlesto enter directly into your bloodstream
Furthermore, the regular measurement of serum vitamin B12 concentrations in all patients at risk (e.g., people using metformin) may cause unnecessary costs in the long term, which needs to be weighed against the costs of vitamin B12 treatment