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Supplement tablet; typically very low calorie, provides magnesium and vitamin B12.
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (small) of Magnesium B12 tablet (1 g) has 3 calories. That works out to 250 calories per 100 g. It contains 0.6 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 5 (low), so it raises blood sugar slowly.
Selected: 1 piece (small) · 1 g
3
KCAL / 1G
Carbs
0.6g
· 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 | 0.01 g | 0% |
| Trans fat | 0 g | |
| Sodium | 5 mg | 0% |
| Total carbohydrate | 0.6 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.
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| 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 pack (mini) | 20 g | 50 kcal |
| 1 pack (small) | 30 g | 75 kcal |
| 1 pack (medium) | 60 g | 150 kcal |
| 100 g | 100 g | 250 kcal |
Calculated from 250 calories per 100 g.
A Magnesium B12 tablet is a supplement intended to provide magnesium and vitamin B12. Both nutrients have roles in normal body functions, including nerve function and energy metabolism, but the tablet is not a treatment for a specific condition.
There is no single best time for everyone to take a Magnesium B12 tablet; follow the directions on its label. Taking it at a consistent time can help you remember, and any product-specific timing instructions should take priority.
Unless its label says otherwise, a Magnesium B12 tablet can generally be taken with or after food. Taking it with a meal may be easier on the stomach for some people, but follow the product’s specific directions.
Take the amount of Magnesium B12 tablet stated on that product’s label; there is no standard number that applies to every brand. Formulas and doses vary, so do not take extra tablets to make up for a missed dose.
A Magnesium B12 tablet can cause stomach upset, nausea, or diarrhea in some people. Side effects can vary with the magnesium form and amount; stop taking it and seek medical advice if symptoms are severe or persistent.
A Magnesium B12 tablet is not a proven treatment for insomnia. Magnesium contributes to normal muscle and nerve function, but taking this supplement should not be relied on to resolve ongoing sleep problems.
A Magnesium B12 tablet can be taken with some other supplements, but combining products with the same nutrients may raise your total intake unnecessarily. Compare the magnesium and B12 amounts on the labels before using multiple supplements.
Yes, magnesium can affect the absorption of some medicines, including certain antibiotics and thyroid medication. If you take prescription medicines, ask a pharmacist or doctor how to space your Magnesium B12 tablet from them.
A Magnesium B12 tablet is not necessary for everyone who has no identified deficiency. Whether supplementation is useful depends on your diet, health, and the product’s contents; ask a healthcare professional before starting long-term use.
Keep a Magnesium B12 tablet in its original container, tightly closed, in a cool, dry place. Moisture and direct sunlight can affect the product, so follow any storage instructions printed on its packaging.
Vitamins
B12
5µg · 208% DV
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
Minerals
Magnesium
125mg · 30% DV
Sodium
5mg · 0% DV
Calcium
0.5mg · 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.
A Magnesium B12 tablet is a compact dietary supplement formulated to provide magnesium and vitamin B12. It is not a prepared dish or a substitute for a meal, and the tablet’s other ingredients can vary by brand, so check the pack for the specific formula and directions.
It is usually swallowed with water rather than served as part of a meal; there is no particular breakfast or mealtime tradition associated with it. Nutritionally, it is typically very low in calories and contributes little protein or fibre, with its main purpose being to supply magnesium and B12. Follow the product’s label for how to take it, and check whether the tablet should be swallowed whole or handled in another way.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
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
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
0.01g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
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Nutrition data compiled from USDA FoodData Central and scientific sources.