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Possible signs of low Vitamin B12 may include: Fatigue or low energy Weakness Numbness or tingling sensations Difficulty walking or balance issues Mood changes Decreased appetite Digestive symptoms A smooth, tender tongue These symptoms can also be caused by other health conditions, so it is important to speak with a healthcare provider if you have ongoing symptoms or concerns about Vitamin B12 deficiency

While simply adjusting vitamin levels by increasing intake of the foods or supplements you need can help alleviate symptoms, including fatigue, a clinical diagnosis of B12 deficiency is necessary to get the shots

Pro tip: Pair with NAD+ boosters and a clean, protein-rich diet to support cellular energy and fat oxidation

Convenient oral formulation for mitochondrial function studies

But unlikely is not the same as impossible, and the absence of evidence is not evidence of absence