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A small, round, flat, pale pink tablet with a smooth, slightly powdery surface rests on a plain light-colored surface.
●Low GI

B12 sublingual supplement Calories

Vitamin B12 supplement, sublingual absorption

CALORIES · 100 G

380kcal

GI

60low

POTASSIUM · 100 G

0mg

FIBER · 100 G

0g

Quick answer

1 piece (small) of B12 sublingual supplement (1 g) has 4 calories. That works out to 380 calories per 100 g. It contains 0.9 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its 25 µg of B12 covers 1042% of the Daily Value. Its glycemic index is 60 (low), so it raises blood sugar slowly.

B12 sublingual supplement Nutrition Facts

Selected: 1 piece (small) · 1 g

4

KCAL / 1G

Carbs

0.9g

· 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%

B12 sublingual supplement nutrition facts table · 1 piece (small) (1 g)

NutrientAmount% DV
Calories4 kcal
Total fat0 g0%
Saturated fat0 g0%
Trans fat0 g
Sodium0.01 mg0%
Total carbohydrate0.9 g0%
Fiber0 g0%
Protein0 g0%

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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How Many Calories in 1 Small B12 sublingual supplement?

ServingAmountCalories
1 piece (small)1 g4 kcal
1 serving (small)1 g4 kcal
2 piece (small)2 g8 kcal
1 piece (large)2 g8 kcal
5 piece (small)5 g19 kcal
1 pack (whole)30 g114 kcal
100 g100 g380 kcal

Calculated from 380 calories per 100 g.

Frequently Asked Questions About B12 sublingual supplement

Does a B12 sublingual supplement work?

Yes, a B12 sublingual supplement can raise vitamin B12 intake and help address low B12. Letting it dissolve under the tongue is a convenient way to take it, but it has not been shown to work better than other oral forms in every situation.

How do you take a B12 sublingual supplement?

Place a B12 sublingual supplement under your tongue and let it dissolve. Follow the directions for its specific form, since tablets, lozenges, and drops may be used differently; do not chew or swallow it immediately unless the directions say to.

Is a B12 sublingual supplement better than a regular B12 tablet?

Not necessarily. A B12 sublingual supplement and a swallowed B12 tablet can both raise B12 levels, and research has not established that the sublingual form is consistently superior. The more suitable option depends on the product and the reason you need B12.

Can you take a B12 sublingual supplement every day?

Yes, a B12 sublingual supplement can be taken daily when that matches the product’s directions or your supplement plan. The amount and frequency vary between products, so don’t assume that a daily dose is necessary for everyone.

What are the side effects of a B12 sublingual supplement?

A B12 sublingual supplement is usually well tolerated, but some people report nausea, headache, or a skin rash. Rarely, an allergic reaction can occur; seek urgent care for swelling of the face or throat or trouble breathing.

When should you take a B12 sublingual supplement?

You can take a B12 sublingual supplement at a time that is easy to remember, since there is no universally established best time of day. Follow the product’s directions, especially if they specify taking it with or apart from food.

How long does a B12 sublingual supplement take to correct a deficiency?

The time varies with the severity and cause of the deficiency and how well B12 is absorbed. Blood levels may change before symptoms do, so a follow-up blood test is more reliable than judging the effect by energy alone.

Can a B12 sublingual supplement cause acne?

It can, rarely. Acne-like breakouts have been reported with high B12 exposure, although most people do not develop them. If a new rash or breakout starts after you begin a B12 sublingual supplement, pause use and discuss it with a clinician.

Does a B12 sublingual supplement interact with medications?

Some medicines, including metformin and acid-reducing drugs, can affect B12 levels or absorption over time. If you take medication regularly, ask your doctor or pharmacist whether a B12 sublingual supplement and monitoring are appropriate for you.

Does a B12 sublingual supplement give you energy if you aren’t deficient?

Usually not. B12 is needed for normal energy metabolism, but taking a B12 sublingual supplement does not act like a stimulant or reliably boost energy when B12 levels are already adequate.

B12 sublingual supplement Vitamins & Minerals

Vitamins

B12

25µg · 1042% DV

Vitamin A

0µg · 0% DV

B1

0mg · 0% DV

B2

0mg · 0% DV

Minerals

Sodium

0.01mg · 0% DV

Calcium

0mg · 0% DV

Iron

0mg · 0% DV

Magnesium

0mg · 0% DV

Potassium ⭐

0mg · 0% DV

B12 sublingual supplement Glycemic Index

GLYCEMIC INDEX

60
Low
0 Low5570100

GLYCEMIC LOAD

0.1
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off B12 sublingual supplement

To burn the 4 calories in 1 piece (small) (1 g):

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is B12 sublingual supplement?

A B12 sublingual supplement is a small supplement containing vitamin B12, designed to dissolve in the mouth beneath the tongue. It is not a traditional food; products commonly come as tablets or lozenges, though the exact form and directions vary by brand. Follow the instructions on the pack rather than assuming every product is used the same way.

People often take one as part of a breakfast or daily routine, letting it dissolve instead of swallowing it whole. The taste and texture depend on the product. Although the nutrition table shows 94 g of carbohydrate per 100 g, a typical serving is only about 1 g. If you take medicines or are unsure whether a supplement is appropriate for you, ask a pharmacist or healthcare professional.

How Nutritious Is B12 sublingual supplement?

Nutrient density

Very high

80/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

2/ 100

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.

Is B12 sublingual supplement Processed?

NOVA 3

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.

Does B12 sublingual supplement Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is B12 sublingual supplement Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

B12 sublingual supplement Fat Profile

SATURATED

0g

MONOUNSATURATED

0g

POLYUNSATURATED

0g

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Nutrition data compiled from USDA FoodData Central and scientific sources.