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The Bigger Concern: Leaving a Deficiency Untreated When weighing the minimal risks of B12 injections, it helps to consider the well-documented risks of an untreated B12 deficiency

When used alongside GLP-1 therapy, 5-Amino-1MQ can amplify fat loss and metabolic benefits

Risks include mild gastrointestinal discomfort, headaches, injection site irritation, and unknown long-term effects

2019 Aug;377(2):153-159

Key risk factors of vitamin B12 deficiency include: Decreased ability to absorb vitamins as a result of low hydrochloric acid secretion Certain medications Gastrointestinal disease and surgeries Vegans are also at a higher risk of vitamin B12 deficiency Can You Have Too Much Vitamin B12