In clinical interviews, individuals describe their own before-and-after journeys
Animal studies have shown potential risks to the developing baby, and human pregnancy data are very limited
These include, for example, hepatitis, tumors or metastases in the liver
Excellent dietary sources include: Liver and organ meats : Beef liver provides approximately 70 mcg per 100gfar exceeding daily needs Shellfish : Clams, mussels, and crab are exceptionally rich sources Fish : Salmon (5 mcg per 100g), trout, tuna, and mackerel provide substantial amounts Meat and poultry : Beef, lamb, and chicken contain 13 mcg per 100g Dairy products : Milk (0.4 mcg per 100ml), cheese, and yoghurt contribute meaningfully Eggs : One large egg provides approximately 0.6 mcg For vegans and vegetarians , reliable B12 sources are essential as plant foods contain no bioavailable B12 (despite some claims about algae or fermented products)
Ian Cook investigates If you tell your neurologist you are taking vitamins to treat your multiple sclerosis (MS) you are likely to be met with scepticism or worse
However, for long-term storage (several months to years), it is preferable to store peptides in a freezer at -80C (-112F)