Vogt et al. found that vitamin D levels were not associated with overall weight change or body fat loss, and that higher vitamin D levels were associated with a lower likelihood of gaining body fat in women but not in men [12].
Vitamin D3 is beneficial for weight management because it: Helps regulate hormones, like leptin, that are involved in stimulating appetite28. Promotes a healthier body composition with less excess fat and more muscle29. Boosts muscle function and strength; having more muscle means you burn more calories at rest.
Multivitamins themselves do not directly cause weight loss or weight gain. However, they can support overall health, ensuring that your body functions optimally. Some people might gain weight if they take multivitamins alongside a higher-calorie diet, but multivitamins alone won't affect body weight.
Research shows that an optimal vitamin D level can have a positive influence on leptin levels. As a result, you will feel fuller and fuller sooner. This can be particularly helpful if you want to control your weight or improve your eating habits.
Vogt et al. found that vitamin D levels were not associated with overall weight change or body fat loss, and that higher vitamin D levels were associated with a lower likelihood of gaining body fat in women but not in men [12].
Safety and side effects
Taking more than 4,000 IU a day of vitamin D might cause: Upset stomach and vomiting. Weight loss and not wanting to eat. Muscle weakness.
Vitamin A, B, and D. Protein supplements such as protein shakes or snacks, effectively increase body weight, body circumference, and muscle mass.
Vitamins such as B, C, D, and E have been scientifically proven to boost fat burning and promote weight loss. They work by enhancing metabolic rate, reducing inflammation, and aiding in the breakdown of fat cells.
In addition, taking a supplement that contains too much vitamin D can be toxic in rare cases. It can lead to hypercalcemia, a condition in which too much calcium builds up in the blood, potentially forming deposits in the arteries or soft tissues. It may also predispose people to painful kidney stones.
The morning may be the best time to take vitamin D. Taking vitamin D with breakfast limits interactions with melatonin, which can contribute to sleep disturbances. Aim to consume vitamin D with a fat-containing meal to boost absorption. National Institute of Health Office of Dietary Supplements.
Researchers observed a negative association between vitamin D status and body fat, particularly abdominal fat, along with a positive link to muscle mass.
The experts suggest taking vitamin D supplements with a food rich in healthy fats, such as nut butter, avocado or whole-fat yogurt. Try to take vitamin D during or after your meal.
B vitamins are essential for a healthy metabolism. They help convert food into energy and are crucial for metabolizing glucose, fatty acids and amino acids. Studies have found that B1, B2, B6, and B9 are linked to lower levels of obesity, smaller waist circumference and less visceral fat.
Do vitamins really cause weight gain? In a word, no. Vitamins cannot directly increase your weight, as they hardly have any calories. On the other hand, a lack of vitamins—vitamin deficiencies—may lead to adverse weight effects.
If you're asking yourself, “Why am I gaining weight when I barely eat,” several factors may be at play. Your body may be holding onto fat stores if your eating habits are inconsistent or restricted. Or, your weight gain may be the effect of a sedentary lifestyle, medical condition, or long-term stress.
Sudden weight gain can be caused by various factors such as PCOS, sleep deprivation, stress, mood disorders, and certain medications. Hormonal changes, particularly reduced oestrogen levels during menopause, can lead to weight gain, especially around the belly.
Health effects of vitamin D toxicity
The main concern of vitamin D toxicity is a buildup of calcium in the blood. This is called hypercalcemia. Hypercalcemia can cause upset stomach and vomiting, weakness, and frequent urination. It also can lead to bone pain and kidney troubles such as kidney stones.
Caution is advised if you have diabetes, liver disease, phenylketonuria (PKU), or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.