Can vitamins cause weight gain or not

 Vitamins themselves do not cause weight gain because they contain no calories. However, there are a few indirect ways in which taking vitamins or supplements might be associated with weight gain. Here’s a breakdown:

•  Why Vitamins Themselves Don’t Cause Weight Gain

Zero Calories: Vitamins (like A, B, C, D, E, K) are micronutrients. They don’t have calories, so they don't add energy that your body can store as fat.

No Fat or Sugar: Pure vitamins don’t contain macronutrients like fat or sugar, which are the usual culprits in weight gain.

 Possible Indirect Causes of Weight Gain from Vitamins or Supplements

1. Improved Appetite:

Some vitamins, especially B-complex vitamins and vitamin D, can boost appetite when you're deficient.

If you start eating more because your appetite improves, you could gain weight.

2. Correcting Deficiencies:

If you were underweight due to a nutrient deficiency (like B12 or iron), taking supplements might lead to healthy weight gain as your body returns to balance.

3. Multivitamin Gummies or Fortified Products:

Some chewable vitamins or supplements contain added sugar or fats for taste, which could contribute to calorie intake.

Watch for “gummy” or “chocolate” delivery forms.

4. Hormonal Support Supplements:

Some "vitamin" blends contain herbs or compounds (like adaptogens, hormone precursors) that may influence metabolism, cortisol, or appetite.

5. Placebo or Behavioral Effect:

Some people feel more energetic or healthy after taking vitamins and may eat more or be less cautious with food choices.