As a general rule, take your B vitamins in the morning or during a meal. Vitamin B12, for example, absolutely must be taken in the morning. Indeed, it is important for energy metabolism, which can disrupt sleep if taken at night.
Will vitamin B-12 help me lose weight?
There is no solid evidence that vitamin B-12 injections, also called shots, help you lose weight. Vitamin B-12 is a water-soluble B-complex vitamin. It is found naturally in many foods, such as meat, fish and dairy products. Vitamin B-12 is added to certain foods and is available as a dietary supplement.
Is it OK to take 1000 mcg of B12 a day?
Even the lowest doses of vitamin B12 supplements are many times the recommended daily allowance. Doses up to 1000 mcg, while unnecessary, are not harmful.
When should I take B12 to lose weight?
Take water-soluble vitamins on an empty stomach with a glass of water, recommends Dr. Perez-Gallardo. And because it can be energizing, Dr. Pérez-Gallardo says the best time to take vitamin B12 is in the morning, so it doesn’t affect your sleep.
Is 5000 mcg of B12 too much?
Vitamin B12 supplementation may be important for vegetarians, vegans, and older people who don’t absorb nutrients as easily. There is no upper limit for vitamin B12, and most supplements provide between 500 mcg and 5,000 mcg of B12 per day to meet various nutritional needs .
Does B12 speed up metabolism?
B12 works by converting the foods we eat into sugar and other types of fuel that keep the body running smoothly. Vitamin B12 is often associated with weight loss due to its ability to boost metabolism and provide lasting energy.
How fast can you lose weight with vitamin B12 injections?
It is common to start losing weight within the first week after the injection. Although the goal is to lose one to two pounds per week, some patients lose even more weight when they begin B-12 lipotropic injections.
How long does it take for B12 to take effect?
It may take a few weeks before your vitamin B12 levels and symptoms (such as extreme fatigue or lack of energy) begin to improve. If you have hydroxocobalamin injections to raise your vitamin B12 levels at the start of treatment, cyanocobalamin tablets may start working within days.
Is 10,000 mcg of vitamin B12 a day too much?
How much 1000mg of B12 should I take?
For vitamin B12 deficiency, a typical injection dose is 1000 mcg once a week for 4 to 8 weeks, then 1000 mcg once a month. But dosages may vary depending on whether you’re treating severe, mild, or asymptomatic vitamin B12 deficiency.
Despite the many processes in which vitamin B12 is involved, there is little evidence to suggest that it has any influence on weight gain or weight loss.