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Health Canada continues to identify products marketed as For Research Use Only Not for Human Consumption. This type of labelling does not make these products legal or exempt from regulatory requirements

Insufficient testing No data to show they are safe or effective: Most of these substances are not clinically tested on humans, and none of them have undergone the extensive trials required to gain FDA approval as a medicine

Symptoms of vitamin B 12 deficiency Vitamin B 12 deficiency results in impairment of the activities of vitamin B 12 -requiring enzymes

In most cases, the FDA said there was not ample testing or evidence to prove the peptides were safe or effective for use in humans