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For instance, if you suffer from a B12 deficiency, you can add oily fish, organ meat, beef, and fortified cereals to your diet to maximize your intake without supplementation

The mouse hemorrhagic liver model was established as follows: Balb/c mice were anesthetized and then fixed on the mouse operating bed

Some of the key signs of low B12 to look out for include: Muscle weakness Numbness and tingling in the hands and feet Difficulty walking Nausea Weight loss Irritability Fatigue Rapid heart rate (7) One of the other tell-tale symptoms of a B12 deficiency is constant fatigue or being tired all the time, which can also manifest as sleep disturbances, including insomnia in some people, often requiring sleep medications

Studies have confirmed that some peptides improve cognitive function and BDNF production