Vitamin B2 100 mg
Natural Factors
Vitamin B2 100 mg
4.8
★ ★ ★ ★ ★
(2084 ratings)
Riboflavin 100 mg
Score 80.0
Natural Factors Vitamin B2 100 mg offers a generous dose of standard Riboflavin at a competitive price, making it a cost-effective option for individuals with higher B2 needs for energy, general health, vision, and skin.
Quantity: 90 Tablet(s)Servings size: 1 Tablet(s) (90 servings)
Selected goals:
Other goals:
Energy
General Health
Vision Support
Skin Health
leaderboard Score 80.0
Natural Factors Vitamin B2 100 mg offers a generous dose of standard Riboflavin at a competitive price, making it a cost-effective option for individuals with higher B2 needs for energy, general health, vision, and skin.
insights Analysis
Natural Factors Vitamin B2 100 mg provides a robust dosage of traditional Riboflavin, a critical nutrient for various metabolic functions, including energy production through the electron transport chain, cellular growth, and antioxidant defense. While it is not the coenzymated R-5-P form, a 100mg dose is often sufficient for most individuals to convert and utilize effectively. Many online reviews and nutritionist recommendations for higher B2 doses (like 100mg or 400mg) are commonly cited for specific applications such as supporting energy levels, promoting healthy vision, and maintaining skin integrity. The product's good review count (2040) and competitive price per serving ($10) for its potency make it a popular and accessible choice in the market.
- High dosage (100mg) of Riboflavin, suitable for enhanced support.
- Very good price per serving ($10) for the quantity provided.
- Ample supply with 90 servings per bottle.
- Strong review count indicating broad satisfaction.
- Uses standard Riboflavin, which requires conversion to its active form (R-5-P) in the body, potentially less bioavailable for some individuals.
- Not ideal for those seeking lower, daily maintenance doses.
$9.07($0.10 per serving)
 iHerb | $ 9.07 | |
 Vitacost | $ 9.07 |
bolt Effectiveness for goals
Riboflavin is essential for cellular energy production, the metabolism of fats, and the conversion of other B vitamins into their active forms. It plays a crucial role in maintaining healthy skin, eyes, and nerve function by supporting various metabolic processes.
Some research suggests that high-dose Riboflavin supplementation may help reduce the frequency and duration of migraine attacks in certain individuals. This effect is thought to be due to its role in improving mitochondrial energy metabolism.
Riboflavin is vital for the body's energy production processes by helping convert food into usable energy. While essential for preventing fatigue due to deficiency, supplemental Riboflavin typically does not provide an 'energy boost' in individuals who are not deficient.
Riboflavin is important for normal vision and is being studied for its potential role in preventing or slowing the progression of certain eye conditions, such as cataracts. Its involvement in antioxidant pathways may help protect eye tissues from oxidative damage.
Riboflavin supplementation is highly effective in preventing and treating Riboflavin deficiency, also known as ariboflavinosis. Deficiency can lead to symptoms like sore throat, cracks at the corners of the mouth, and certain skin and eye conditions.
schedule Dosage, timing & forms
The Recommended Dietary Allowance (RDA) for adult men is 1.3 mg per day and for adult women is 1.1 mg per day. Higher doses might be used in supplements, often ranging from 5 mg to 100 mg, depending on individual needs or specific conditions. It's best to consult a healthcare professional for personalized dosage advice.
There is no established tolerable upper intake level (UL) for Riboflavin because there is no evidence of toxicity from high intakes. Even at very high doses, excess Riboflavin is typically excreted in the urine. However, extremely high doses can sometimes lead to temporary digestive upset.
For specific conditions, such as migraine prevention, higher doses of Riboflavin are often used, typically around 400 mg per day. This specific dosage should only be taken under the guidance and supervision of a healthcare professional. These doses are significantly higher than the RDA.
Taking Riboflavin with food can enhance its absorption, particularly if the food contains protein. It is fat-soluble in some forms and its absorption is improved in the presence of food. Many recommend taking it with a meal.
Riboflavin is commonly available in supplement form as riboflavin or riboflavin 5'-phosphate (FMN). It can be found in capsules, tablets, and sometimes in liquid formulations. Riboflavin 5'-phosphate is the metabolically active form and is sometimes preferred for better absorption.
health_and_safety Safety & interactions
Riboflavin is generally considered safe for most healthy adults when taken at recommended doses. As a water-soluble vitamin, excess amounts are typically excreted in the urine. Serious adverse effects are rare.
Adequate Riboflavin intake is crucial during pregnancy and lactation for both maternal and infant health. While generally considered safe at recommended doses, pregnant or breastfeeding individuals should consult their healthcare provider before taking any new supplements. Excessively high doses are not recommended without medical supervision.
Riboflavin is generally well-tolerated, even at high doses. The most common noticeable effect is a harmless, bright yellow-orange discoloration of urine. Gastrointestinal upset is rare but possible with very high intakes.
Riboflavin (Vitamin B2) is generally considered safe when consumed in amounts found naturally in foods or from supplements at recommended doses. It is a water-soluble vitamin, meaning excess amounts are typically excreted by the body. Serious adverse effects are rare.
Since Riboflavin is water-soluble, excess amounts are primarily excreted in the urine, leading to bright yellow urine. There is no established Upper Tolerable Intake Level (UL) for Riboflavin due to its low toxicity. However, extremely high doses might rarely cause mild digestive upset.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Riboflavin | 100 mg |
Categories
Riboflavin 85.0
This product is a strong contender within the Riboflavin collection, offering a substantial dose at an accessible price, appealing to those who prefer standard forms.
Goals
Energy 80.0
Riboflavin is essential for energy production. While not the coenzymated form, 100mg provides ample substrate for the body to convert and utilize for metabolic energy processes.
General Health 78.0
A higher dose of standard Riboflavin supports various enzymatic reactions and cellular functions contributing to overall well-being, though the conversion step is required.
Vision Support 75.0
This dosage can contribute to maintaining eye health and may be beneficial for vision support, consistent with Riboflavin's role in the eyes.
Recommended Alternatives
88 Value 
R-5-P Coenzymated Vitamin B-2 50 mg
Swanson Ultra
4.8
★★★★★
(678 ratings)
Offers the more bioavailable R-5-P form at half the dose (50mg) but at a competitive price per serving ($16), providing a more absorbable option for slightly more cost.
87 Value 
Vitamin B2 250 mg
NaturesPlus
4.7
★★★★★
(323 ratings)
Delivers 250mg of standard Riboflavin at a competitive price per serving ($28), offering significantly more Riboflavin per serving for those with higher needs at good value.
85 Value 
Vitamin B2 100 mg
Solgar
4.7
★★★★★
(1096 ratings)
Provides the same 100mg dose of standard Riboflavin from a reputable brand at a slightly lower price per serving ($9), offering a comparable value for daily use.
98 Performance 
Migra-Eeze
Life Extension
4.5
★★★★★
(651 ratings)
Features a very high dosage (400mg) of Riboflavin 5-Phosphate, offering superior bioavailability and significantly higher potency than standard 100mg B2.
92 Performance 
Riboflavin Vitamin B2 400 mg
Nature's Way
4.8
★★★★★
(1549 ratings)
Provides a substantially higher dosage (400mg) of standard Riboflavin, ideal for therapeutic uses requiring greater potency for specific conditions.
90 Performance 
Riboflavin 400 mg
AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(275 ratings)
Offers a potent 400mg dose of standard Riboflavin, delivering a higher concentration for enhanced effects compared to 100mg.
95 Budget 
B-2 100 mg
NOW
4.8
★★★★★
(9220 ratings)
Offers the exact same 100mg dosage of standard Riboflavin at a significantly lower price per serving ($4), making it a much more economical option.
94 Budget 
Riboflavin 100 mg
Swanson
4.8
★★★★★
(765 ratings)
Provides 100mg of standard Riboflavin at an almost identical low price per serving ($4), offering exceptional affordability for the dose.
90 Budget 
Riboflavin Vitamin B2 100 mg
Nature's Way
4.7
★★★★★
(5417 ratings)
Delivers 100mg of standard Riboflavin for a lower price per serving ($6), providing a budget-friendly alternative with the same dosage.
88 Value
R-5-P Coenzymated Vitamin B-2 50 mg
Swanson Ultra
4.8
★★★★★
(678 ratings)
Offers the more bioavailable R-5-P form at half the dose (50mg) but at a competitive price per serving ($16), providing a more absorbable option for slightly more cost.
87 Value
Vitamin B2 250 mg
NaturesPlus
4.7
★★★★★
(323 ratings)
Delivers 250mg of standard Riboflavin at a competitive price per serving ($28), offering significantly more Riboflavin per serving for those with higher needs at good value.
85 Value
Vitamin B2 100 mg
Solgar
4.7
★★★★★
(1096 ratings)
Provides the same 100mg dose of standard Riboflavin from a reputable brand at a slightly lower price per serving ($9), offering a comparable value for daily use.
98 Performance
Migra-Eeze
Life Extension
4.5
★★★★★
(651 ratings)
Features a very high dosage (400mg) of Riboflavin 5-Phosphate, offering superior bioavailability and significantly higher potency than standard 100mg B2.
92 Performance
Riboflavin Vitamin B2 400 mg
Nature's Way
4.8
★★★★★
(1549 ratings)
Provides a substantially higher dosage (400mg) of standard Riboflavin, ideal for therapeutic uses requiring greater potency for specific conditions.
90 Performance
Riboflavin 400 mg
AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(275 ratings)
Offers a potent 400mg dose of standard Riboflavin, delivering a higher concentration for enhanced effects compared to 100mg.