High amounts of Vitamin B6 will also increase magnesium retention following long-term oral supplementation, while regular Vitamin B6 injections will quickly result in a high magnesium low calcium ratio, or there is the potential of eventually creating a severe calcium deficiency. This can result in insomnia, heart palpitations, chest pains, depression, mood swings, anxieties, or bone, joint or muscle pains. If given Vitamin B6 B12 injections at Weight Loss Clinics, one should be aware of these potential symptoms.... Full Text