Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Supplement containing magnesium and vitamin B12
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (small) of Magnesium supplement with B12 (1 g) has 3 calories. That works out to 250 calories per 100 g. It contains 0.5 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its 5 µg of B12 covers 208% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (small) · 1 g
3
KCAL / 1G
Carbs
0.5g
· 0% DV
Protein
0g
· 0% DV
Fat
0g
· 0% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 100% · Protein 0% · Fat 0%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 3 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 5 mg | 0% |
| Total carbohydrate | 0.5 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 0 g | 0% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
Log this food in EatBetter
100,000+ people use it
📸 Scan the code to get the app free.

| Serving | Amount | Calories |
|---|---|---|
| 1 piece (small) | 1 g | 3 kcal |
| 1 serving (medium) | 1 g | 3 kcal |
| 2 piece (double) | 2 g | 5 kcal |
| 1 teaspoon (small) | 5 g | 13 kcal |
| 1 tablespoon (medium) | 15 g | 38 kcal |
| 100 g | 100 g | 250 kcal |
Calculated from 250 calories per 100 g.
A magnesium supplement with B12 provides these two nutrients, which support normal muscle, nerve, and blood-cell functions. It may help address low intake or deficiency, but it is not a general-purpose energy booster.
Usually, yes: a magnesium supplement with B12 can be taken alongside many supplements. However, minerals can compete for absorption or affect some medicines, so ask a pharmacist about your specific combination if you take regular medication.
There is no single best time to take a magnesium supplement with B12. Follow the product directions and choose a consistent time that suits you; taking it at night is not necessary for everyone.
A magnesium supplement with B12 does not act like a stimulant or provide an instant energy boost. B12 can improve fatigue caused by B12 deficiency, but taking extra B12 usually does not increase energy when levels are adequate.
A magnesium supplement with B12 is not a proven sleep aid. Magnesium is involved in normal nerve and muscle function, but taking this combination has not been shown to reliably improve sleep for everyone.
A magnesium supplement with B12 can often be taken with or without food, depending on its directions. Taking it with a meal may be easier on your stomach if magnesium causes nausea or discomfort.
A magnesium supplement with B12 does not reliably prevent muscle cramps. Low magnesium may contribute to cramps in some cases, but cramps have many possible causes and supplements are not a guaranteed fix.
Daily use of a magnesium supplement with B12 can be appropriate when it follows the product directions and meets a genuine need. The amounts vary between products, so do not take more than the stated serving.
A magnesium supplement with B12 may cause side effects, most commonly digestive symptoms such as diarrhea, nausea, or abdominal cramping from magnesium. The chance of problems can rise if you take more than directed.
Vitamins
B12
5µg · 208% DV
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
Minerals
Magnesium
200mg · 48% DV
Sodium
5mg · 0% DV
Calcium
0mg · 0% DV
Iron
0mg · 0% DV
Potassium ⭐
0mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 3 calories in 1 piece (small) (1 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Magnesium supplement with B12 combines magnesium and vitamin B12 in a product intended to supplement the diet, rather than serve as a food or drink. Its taste and texture depend on the format; follow the label to tell whether it should be swallowed with water or taken another way. It is commonly used as part of a daily routine, according to the product’s directions.
It contributes no protein or fat in the nutrition listing, with its defining nutritional feature being the two named micronutrients. Check the serving instructions before use and avoid exceeding the amount stated on the package. It is easy to fit into a routine alongside a meal, though whether that is suitable depends on the label.
Low
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 4
Ultra-Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Nutrition data compiled from USDA FoodData Central and scientific sources.