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Vitamin B12 source; supports energy metabolism and nervous system function
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (mini) of Methylcobalamin supplement (1 g) has 4 calories. That works out to 400 calories per 100 g. It contains 1 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its 200 µg of B12 covers 8333% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (mini) · 1 g
4
KCAL / 1G
Carbs
1g
· 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 | 4 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0.5 mg | 0% |
| Total carbohydrate | 1 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 (mini) | 1 g | 4 kcal |
| 1 piece (mini) | 0.3 g | 1 kcal |
| 1 piece (small) | 0.5 g | 2 kcal |
| 1 piece (medium) | 1 g | 4 kcal |
| 1 serving (medium) | 1 g | 4 kcal |
| 2 piece (double) | 2 g | 8 kcal |
| 1 teaspoon (grated) | 3 g | 12 kcal |
| 1 tablespoon (grated) | 9 g | 36 kcal |
| 100 g | 100 g | 400 kcal |
Calculated from 400 calories per 100 g.
A methylcobalamin supplement provides vitamin B12, which supports normal nerve function and energy metabolism. It can help prevent or address low B12 levels, but it is not a general energy booster when your B12 status is already adequate.
Neither form is clearly best for everyone. Methylcobalamin is an active form of B12, while cyanocobalamin is a stable, widely used supplement form that the body can convert. Both can raise B12 levels when taken appropriately.
Yes, a methylcobalamin supplement can be taken daily when the product directions or a clinician’s advice call for it. The right amount depends on why you are taking it; taking extra does not make it work faster.
A methylcobalamin supplement can generally be taken with or without food. If it bothers your stomach, taking it with a meal may be more comfortable; follow the directions for your particular tablet, capsule, or lozenge.
Let a sublingual methylcobalamin supplement dissolve under your tongue if its label identifies it as a sublingual product. Swallowable tablets and capsules should be used as directed instead. Sublingual B12 has not been shown to be necessary for everyone.
B12 levels may rise over several weeks, while improvement in deficiency symptoms can take longer. The timeline depends on the cause and severity of the deficiency and the dose. Persistent symptoms need assessment rather than simply increasing the supplement.
Acne-like breakouts have been reported with B12 supplements, including methylcobalamin, but they are uncommon. If new or worsening acne appears after you start taking it, stop the supplement and ask a healthcare professional whether it may be related.
It may improve fatigue when low B12 is the cause, but it usually does not boost energy in people who already have adequate B12. Ongoing fatigue can have many causes, so a supplement should not replace an appropriate evaluation.
Yes, it can treat B12 deficiency when the form, dose, and route are appropriate. Some causes of deficiency require a different treatment approach, so a clinician should confirm the cause and recommend a plan rather than relying on a supplement alone.
Metformin can lower B12 levels in some people, but that does not mean everyone taking it needs a methylcobalamin supplement. Ask your clinician whether testing or supplementation is appropriate, especially if you use metformin long term or develop symptoms.
Vitamins
B12
200µg · 8333% DV
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
Minerals
Sodium
0.5mg · 0% DV
Calcium
0mg · 0% DV
Iron
0mg · 0% DV
Magnesium
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 4 calories in 1 piece (mini) (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 methylcobalamin supplement provides vitamin B12 in the form of methylcobalamin. Products may come as tablets, dissolving lozenges or chewables, so the way you take one depends on its formulation. Vitamin B12 plays a role in energy metabolism and normal nervous system function.
People commonly fit it into a daily routine, taking it with breakfast or as directed on the product label. Flavour and texture vary by product. It can be a useful option for people following vegan diets, who may have fewer dietary sources of B12; check with a healthcare professional if you are unsure whether it suits you or how to use it.
Low
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
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
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Nutrition data compiled from USDA FoodData Central and scientific sources.