Biotin 5000 mcg
Natural Factors
Biotin 5000 mcg
4.8
★ ★ ★ ★ ★
(938 ratings)
Biotin 5000 mcg
Score 75.0
Natural Factors Biotin provides a solid 5000mcg dose at a competitive price, offering a reliable option for beauty goals from a trusted brand.
Quantity: 60 Capsule(s)Servings size: 1 Capsule(s) (60 servings)
Selected goals:
Other goals:
Hair Health
Skin Health
Nail Health
leaderboard Score 75.0
Natural Factors Biotin provides a solid 5000mcg dose at a competitive price, offering a reliable option for beauty goals from a trusted brand.
insights Analysis
Natural Factors Biotin offers a robust 5000mcg dosage, which is a popular and effective level for supporting hair, skin, and nail health. While the form of biotin is not explicitly stated as D-Biotin, it is a common dosage for standard biotin supplements. The price per serving is competitive at $0.14, making it an accessible option, though it's not the absolute cheapest per dose available on the market. Natural Factors is a well-established brand generally considered reliable, and the product has a decent number of positive reviews.
- Provides a potent 5000mcg dose
- From a reputable brand (Natural Factors)
- Competitive price point
- Biotin form (D-Biotin) is not explicitly stated
- Not the most cost-effective option compared to some alternatives with similar or higher potencies
$8.37($0.13 per serving)
 Amazon | $ 0.00 | |
 iHerb | $ 8.37 |
bolt Effectiveness for goals
Some research suggests that biotin supplementation may improve hair strength and reduce shedding, particularly in individuals with an underlying biotin deficiency. However, robust evidence for significant hair growth benefits in healthy individuals without a deficiency is limited. It primarily supports the body's natural keratin infrastructure.
Biotin, also known as vitamin B7, is frequently taken to support hair, skin, and nail health. It is also involved in various metabolic processes, helping convert food into energy. The effectiveness for these specific uses in individuals without a deficiency is an active area of research.
Scientific evidence supports biotin's essential role as a coenzyme in various metabolic pathways and its therapeutic use in treating biotin deficiency. For claims regarding improved hair, skin, and nails in healthy individuals, the scientific literature provides mixed results, often relying on smaller studies or anecdotal evidence rather than large-scale, controlled trials.
Several clinical studies have indicated that biotin supplementation can improve nail thickness and reduce splitting in individuals experiencing brittle nail syndrome. This benefit is thought to stem from biotin's role in the production of keratin, a primary component of nails. Results typically require consistent use over several months.
Biotin is an essential nutrient, and severe deficiency can manifest as hair loss, skin rashes, and neurological symptoms. Supplementation is most clearly effective in alleviating these symptoms when an actual deficiency is present. For individuals with adequate biotin levels, the benefits of additional supplementation are less consistently established by research.
schedule Dosage, timing & forms
While there is no official Recommended Dietary Allowance (RDA) for biotin due to its rarity of deficiency, an Adequate Intake (AI) of 30 micrograms (mcg) per day is established for adults. However, many supplements contain significantly higher doses, often ranging from 1,000 mcg to 10,000 mcg, particularly for those looking to support hair, skin, and nail health. Always consult product labels and a healthcare professional for personalized guidance.
Biotin is a water-soluble vitamin, meaning excess amounts are generally excreted by the body. While widely considered safe even at doses much higher than the AI (e.g., 5,000-10,000 mcg), extremely high doses have been shown to interfere with certain laboratory tests, particularly those for thyroid function and cardiac biomarkers, potentially leading to inaccurate results. It is advisable to inform your healthcare provider about any biotin supplementation, especially before lab tests.
The time required to observe noticeable results from biotin supplementation can vary significantly among individuals. For improvements in hair, skin, or nails, consistent daily use over several weeks to a few months is commonly suggested before any changes may become apparent. Individual factors like metabolism and initial biotin status can influence the timeline.
Biotin supplements can generally be taken at any time of day, with or without food, as preferred. Some individuals choose to take it in the morning with breakfast to help establish a consistent routine. Consistency in daily intake is often considered more important than the specific time of day for efficacy.
Biotin supplements are available in a wide range of strengths, often much higher than the established Adequate Intake. Common supplement strengths include 1,000 mcg (1 mg), 5,000 mcg (5 mg), and 10,000 mcg (10 mg). Some products may offer even higher dosages depending on their intended use.
health_and_safety Safety & interactions
Yes, high doses of biotin supplements can significantly interfere with certain laboratory tests, especially those using biotin-streptavidin technology. This interference can lead to falsely high or low results for hormones, cardiac markers, and other analytes. It is crucial to inform your doctor about biotin use before any lab work to avoid misdiagnosis or inappropriate treatment.
Biotin is generally well-tolerated, and side effects are rare when taken at recommended doses. Some individuals might experience mild digestive upset, nausea, or skin rashes, though these are uncommon. Due to its water-soluble nature, excess biotin is typically excreted from the body.
Biotin can potentially interact with certain medications, such as some anti-seizure drugs, which may lower biotin levels in the body. Conversely, high biotin intake might affect the metabolism of other drugs. Always consult a healthcare professional before combining biotin with any prescription medications.
While biotin is water-soluble and excess is typically excreted, very high doses can lead to potential issues like interference with lab tests. There is no established upper tolerable intake level due to low toxicity, but exceeding recommended daily amounts without medical supervision is not advised. Always discuss appropriate dosage with a healthcare provider.
Biotin is an essential nutrient during pregnancy, and adequate intake is important for fetal development. However, supplementing with high doses beyond what is found in a standard prenatal vitamin should be discussed with a healthcare provider. Current research suggests it is likely safe at recommended daily allowances for breastfeeding mothers.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Biotin | 5000 mcg |
Calcium | 125 mg |
Categories
Biotin 75.0
As a straightforward 5000mcg biotin supplement, it serves as a strong, reliable contender within the biotin category, offering a standard yet effective dose for those prioritizing this specific nutrient.
Goals
Hair Health 75.0
The 5000mcg dose is a widely used and often effective concentration for promoting hair growth and strength, addressing common concerns like thinning or shedding. It aligns well with nutritionist recommendations for noticeable improvements.
Skin Health 75.0
Biotin at 5000mcg supports the metabolic processes essential for healthy skin cell turnover and maintenance, contributing to overall skin vitality and appearance. This dosage is sufficient for supporting these dermal functions.
Nail Health 75.0
For individuals struggling with brittle or weak nails, a 5000mcg biotin supplement is a common recommendation, with consistent use often leading to improved nail thickness and reduced breakage. It provides ample support for keratin integrity.
Recommended Alternatives
99 Value 
Biotin 5000 mcg
Spring Valley
4.8
★★★★★
(1031 ratings)
Delivers the same 5000mcg D-Biotin potency for an exceptionally low price per serving and significantly more servings, offering outstanding long-term value.
96 Value 
Biotin 10000 mcg
21st Century
4.7
★★★★★
(44583 ratings)
Provides double the biotin content for a remarkably low price per serving, offering substantial cost savings for a very high dose.
95 Value 
Biotin 10000 mcg
Natrol
4.6
★★★★★
(75404 ratings)
Offers double the biotin potency for a lower price per serving, making it an excellent choice for achieving higher biotin intake cost-effectively.
98 Performance 
Biotin 10000 mcg
Nature's Bounty
4.6
★★★★★
(117098 ratings)
Offers double the potency (10000mcg) in the D-Biotin form at half the price per serving, providing a significantly more powerful and bioavailable option.
97 Performance 
Biotin 10000 mcg
Spring Valley
4.8
★★★★★
(3275 ratings)
Provides double the biotin dose in the preferred D-Biotin form for a much lower price per serving, representing a superior choice for potency and long-term value.
87 Performance 
Biotin
Jarrow Formulas
4.6
★★★★★
(3133 ratings)
Offers the same 5000mcg potency but explicitly states D-Biotin form, which is generally considered superior, at a competitive price per serving with more servings.
95 Budget 
Biotin 5000 mcg
Swanson
4.8
★★★★★
(8036 ratings)
Offers the same 5000mcg potency at less than half the price per serving, providing significantly superior value for the same dose.
94 Budget 
Biotin 5000 mcg
21st Century
4.7
★★★★★
(14265 ratings)
Delivers 5000mcg of biotin for a much lower cost per serving, making it a far more budget-friendly option for the same high dose.
93 Budget 
Biotin 5000 mcg
Doctor's Best
4.7
★★★★★
(2797 ratings)
Provides 5000mcg of biotin at a substantially lower price per serving and offers double the servings, making it a better long-term investment.
99 Value
Biotin 5000 mcg
Spring Valley
4.8
★★★★★
(1031 ratings)
Delivers the same 5000mcg D-Biotin potency for an exceptionally low price per serving and significantly more servings, offering outstanding long-term value.
96 Value
Biotin 10000 mcg
21st Century
4.7
★★★★★
(44583 ratings)
Provides double the biotin content for a remarkably low price per serving, offering substantial cost savings for a very high dose.
95 Value
Biotin 10000 mcg
Natrol
4.6
★★★★★
(75404 ratings)
Offers double the biotin potency for a lower price per serving, making it an excellent choice for achieving higher biotin intake cost-effectively.
98 Performance
Biotin 10000 mcg
Nature's Bounty
4.6
★★★★★
(117098 ratings)
Offers double the potency (10000mcg) in the D-Biotin form at half the price per serving, providing a significantly more powerful and bioavailable option.
97 Performance
Biotin 10000 mcg
Spring Valley
4.8
★★★★★
(3275 ratings)
Provides double the biotin dose in the preferred D-Biotin form for a much lower price per serving, representing a superior choice for potency and long-term value.
87 Performance
Biotin
Jarrow Formulas
4.6
★★★★★
(3133 ratings)
Offers the same 5000mcg potency but explicitly states D-Biotin form, which is generally considered superior, at a competitive price per serving with more servings.