An overactive thyroid can cause restlessness, nervousness, fatigue, and increased hunger and you may experience weight loss, a rapid heartbeat, and sweating
Schafer, P
Whilst vitamin B12 toxicity is exceptionally rare due to its water-soluble nature, very high levelsparticularly from mega-dose supplements or frequent injectionshave been associated with certain adverse effects, most notably skin reactions
Risk Factors and Frequency for Pernicious Anemia Pernicious anemia is a condition that is not very common, particularly in people with European ancestry, where its found in less than 1% of the population
The correct dosage can make these injections very safe because they support energy, metabolism, and liver function without straining the body
Zingiber officinale Roscoe: A comprehensive review of clinical properties