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Source of riboflavin, typically a very low-calorie supplement
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (small) of Vitamin B2 supplement (1 g) has 2 calories. That works out to 400 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 mg of B2 covers 385% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Selected: 1 piece (small) · 0.5 g
2
KCAL / 0.5G
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 | 2 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0 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.
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| Serving | Amount | Calories |
|---|---|---|
| 1 piece (small) | 0.5 g | 2 kcal |
| 1 piece (extra small) | 0.3 g | 1 kcal |
| 1 piece (medium) | 1 g | 4 kcal |
| 2 piece (double) | 2 g | 8 kcal |
| 3 piece (triple) | 3 g | 12 kcal |
| 1 teaspoon (mini) | 3 g | 12 kcal |
| 1 tablespoon (small) | 9 g | 36 kcal |
| 1 pack (small) | 30 g | 120 kcal |
| 100 g | 100 g | 400 kcal |
Calculated from 400 calories per 100 g.
A vitamin B2 supplement is used to increase riboflavin intake. Riboflavin helps the body process energy and supports normal cell function; supplementation may be useful when someone cannot get enough from food or has a specific need.
A vitamin B2 supplement can make urine bright yellow because excess riboflavin leaves the body in urine. This color change is usually harmless and, by itself, does not mean the supplement is damaging your kidneys.
A vitamin B2 supplement may reduce migraine frequency for some people, although it is not a migraine treatment or a guaranteed preventive. Migraine regimens may use amounts different from routine nutrition, so discuss this use with a clinician.
There is no universally best time to take a vitamin B2 supplement. Choose a time you can follow consistently, and follow the product directions; if it was recommended for a medical reason, use the schedule advised by your clinician.
A vitamin B2 supplement can generally be taken alongside other vitamins. Check the combined products so you do not unknowingly duplicate ingredients, and ask a pharmacist or clinician if you take prescription medicines or have a condition affecting supplement use.
Taking extra vitamin B2 supplement is unlikely to cause serious harm for most people because the body excretes excess riboflavin. Bright yellow urine is common; follow the product directions rather than taking more in hopes of faster results.
Food is a good way to get riboflavin: dairy foods, eggs, meat, and some vegetables contain it. A vitamin B2 supplement can help when intake is inadequate or needs are specific, but it does not replace a varied diet.
A vitamin B2 supplement is not a well-established cause of acne. If breakouts begin after starting it, consider other changes too and review the product’s ingredients; seek medical advice if the reaction is severe or persistent.
Vitamin B2 supplements have few well-established medication interactions, but a person’s medicines and health conditions still matter. Ask a pharmacist or clinician to review your specific products before starting one, especially if you take ongoing prescription treatment.
You cannot reliably tell that you need a vitamin B2 supplement from one symptom alone. Riboflavin deficiency can cause issues such as cracked corners of the mouth, but these signs have other causes; a clinician can assess your diet and symptoms.
Vitamins
B2
5mg · 385% DV
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B3
0mg · 0% DV
Minerals
Calcium
0mg · 0% DV
Iron
0mg · 0% DV
Magnesium
0mg · 0% DV
Zinc
0mg · 0% DV
Sodium
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 2 calories in 1 piece (small) (0.5 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 Vitamin B2 supplement provides riboflavin, usually in a tablet, capsule or similar form. It is not a food ingredient or a dish, but a product taken alongside the diet; some formulations may combine it with other vitamins. In many places, people take it with water, following the serving directions on the package, rather than adding it to meals.
It has little role in a meal’s flavour or texture and does not need a particular food pairing. Its nutritional character is that of a riboflavin source, typically with very few calories per small serving. If you choose to use one, follow the label’s directions and treat it as a supplement to meals, not a replacement for a varied diet.
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.