Are you trying to find vitamin b7 biotin among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling vitamin b7 biotin on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 43 vitamin b7 biotin tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best vitamin b7 biotin you can buy today
- Biotin (Vitamin B7) - 240 Capsules With 10000 MCG Of High Quality Biotin Per Capsule
- Up to 8 Month (240 Day) Supply, 1 Serving Is Just 1 capsule
- Vitamin B7 Is Also Known as Vitamin H
- Nutricost Biotin is Non-GMO, Gluten Free, and 3rd Party Tested
- Made in a GMP Compliant, FDA Registered Facility
- 120 GUMMIES | 2 MONTH SUPPLY - Made with Biotin 10,000mcg, also known as Vitamin A, B7 and Vitamin H- Based on serving size - Serving size is 2 gummies, Take 2 to 4 gummies daily for best results. KOSHER CERTIFIED - Produced and formulated to a higher standard.
- TASTEFUL, DELICIOUS SUPPLEMENTS - Our great Raspberry flavored gummy, makes your daily dose of much needed nutrition's , fun easy and tasty.
- HEALTHY HAIR GROWTH, SKIN & NAILS - With our maximum potency Biotin 10,000mcg, Viteey's Hair, Skin & Nails supplement delivers the prefect combination to help boost your hair growth, beautiful skin and healthy nails, Viteeys Gummies ingredients are perfectly combined for adults and kids, Just give it a chew, and let it work for you!
- SOURCED FROM ALL NATURAL INGREDIENTS - Each Viteey gummy is vegan, plant based pectin and naturally sourced colors and flavors. All of our gummies are Gelatin free, Peanut free, Tree nut free, GMO free, and Gluten free, With antioxidant properties.
- VITEEY BRAND STANDARDS - All of our products are sourced formulated and manufactured with the highest quality standards, All of our products go through extensive lab testing for each individual production run to ensure accurate purity and potency with each serving.
- BEAUTIFYING B7 – If you’re trying to maintain healthy, youthful hair, skin and nails there’s no better vitamin B than biotin, sometimes referred to as vitamin B7. This is because biotin is necessary for production of keratin.
- ABUNDANT ENERGY LEVELS – Because it’s a B vitamin, biotin offers so much more than a pretty face. It’s also a chemical co-factor, which means it helps enzymes in your body do important work like creating cellular energy, breaking down amino acids and even supporting already-healthy blood sugar.
- GOOD GENES – There is growing evidence that biotin may help you unlock the healthy inner you; biotin plays an important role in healthy gene expression. If you think your diet doesn’t have enough biotin, this supplement is a good place to start.
- INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
- LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy are achieved.
- Nerve Function: Biotin may provide support for healthy nerve function and nail strength.*
- Metabolic Support: Biotin is a critical water-soluble vitamin that is an essential cofactor for a number of metabolic carboxylation reactions, including carbohydrate and protein metabolism.*
- Vitamins/Minerals/Amino Acids: supplement formulated to provide beneficial support in filling important nutrient gaps.*
- Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
- For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*
- Deal Supplement 2-in-1 revitalizing formula that combines biotin (Vitamin B7) with pure hyaluronic acid inside the same product. A potent biotin supplement that offers essential beauty nutrients and vitamins for men and women. This formula is also infused with a healthy virgin coconut oil liquid base designed for superior bioavailability.
- A powerful once-daily formula that will support you in aging peacefully by turning food into fuel and promoting total skin care, joint, nail & hair health. All it takes is one 1 softgel per serving to obtain 10,000mcg of this powerful B vitamin, along with 25mg of hyaluronic acid.
- Each bottle contains 200 total servings that support ultimate nourishment starting from with. Giving you the ability to feel and look your best no matter what age you are. Take your self-care routine to the next level and enjoy a new radiant look.
- Note - Due to the addition of coconut oil, this may cause a “cloudy” appearing softgel. Coconut oil has a low melting point that will begin to liquify during hot temperatures and solidify during cold temperatures. Overall changing appearance but having no effect on quality. Please keep refrigerated to limit this concern.
- Quality Ensured - 3rd party lab tested, Non-GMO ingredients. Made without gluten, dairy, eggs, peanuts, soy, wheat, & yeast.
- 19 NOURISHING INGREDIENTS: The Hair Growth Vitamins for Women by Snap Supplements is filled with 19 top quality nourishing ingredients for Healthy Hair, Skin and Joints. Enriched with Bamboo and Kelp. Lasting skin care and hair growth is now within reach with collagen and biotin.
- NOURISH & REVITALIZE HAIR: Genetics, diet, stress, and other factors affect your hair health. Biotin and Collagen actually gives your body the foundational elements proven to grow hair and nails. You get the nourishment combating with nutritional deficiencies.
- HAIR GROWTH SUPPORT: Choosing the natural route means no ill side effects, no hassle with prescriptions - just long-term benefits. It also supports healthy hair, skin and joints. Our hair, skin and nails supplements uses highly concentrated clinically studied botanical ingredients.
- PREVENT HAIR LOSS - With Biotin, essential B-vitamins, Keratin, Collagen, Bamboo & more, hair vitamins equip your body with everything needed to help grow gorgeous hair and stop hair loss.
- 90 DAY GUARANTEE: We stand by our Biotin and Collagen product. As with most hair supplements, however, results aren’t instant. We encourage you to take the daily dosage for a full 90 days, and if it doesn’t work as described simply send it back for a full refund.
- Simply8 gummy vitamins support naturally beautiful hair, glowing skin and healthy nails to help you look and feel your best. These gummies are packed with 10000 mcg of the essential B Vitamin, Biotin, per serving to help support your overall beauty.
- Taking nutritional supplements shouldn’t be a chore. These tasty gummies feature a delicious strawberry flavor that makes them an easy and effective bite-sized solution.
- Just chew two of these high potency Biotin drops daily to help promote healthy hair, vibrant skin, and stronger nails. This 60-count bottle provides a 1-month supply.
- Simply8 is focused on your overall health and wellness. The nutritional support of our Biotin gummies will help you achieve your healthy lifestyle and holistic beauty goals by helping nourish your hair, skin and nails from within.
- The natural Simply8 formula is tapioca-based, vegetarian and cruelty-free. Made with only natural colors. Kosher and Halal. These high quality pectin gummies are third-party tested.
- NEW 10,000MCG PER CAPSULE: Our Biotin supplement gives you 10,000mcg per capsule for 2 months!
- HAIR GROWTH FOR MEN AND WOMEN: Biotin for Hair Growth, glowing Skin and strong Nails
- IMPROVES ENERGY AND METABOLISM: Your body needs biotin to help convert certain nutrients into energy
- Non-GMO, Gluten Free Vegan Supplement; Natural Biotin gummies are pectin-based and made with no preservatives, artificial colors, or GMOs; We do not use gelatin or any animal products
- BIOTINA 10.000mcg CABELLO Y UÑAS. Made in a GMP Compliant, FDA Registered Facility
- ★ PROMOTES HEALTHY HAIR GROWTH SKIN & NAILS - If your desire is to gain a much fuller hair, strong nails and restore the radiance of your skin, Herb-Science offers the most potent biotin to support the health of your hair, nerves skin, nails and cells. Known as Vitamin B-7 our supplement is cold-pressed and made of liquid extract
- ★ SUPPORT ENERGY DEFENSE & METABOLISM - Symptoms of Biotin deficiency include hair loss, skin rash, dermatitis, brittle hair, fatigue, loss of appetite, dry eyes and tiredness. By taking a potent source of Vitamin H (B7-Biotin) this dietary supplement helps support metabolism assist in the conversion of food into energy, maintain healthy cardiovascular system, boost the production of red cells and much more.
- ★ ALCOHOL-FREE LIQUID EXTRACT - At Herb-Science we offer our Vitamins and Minerals in liquid form which are easier to digest. We use a bio-engineered extraction process technology to ensure purity effectiveness and efficacy of our products. Our supplements are without fillers additives gluten and Non-GMO
- ★ MANUFACTURED IN THE USA - Herb-Science products are manufactured in the USA. No fillers, gluten, soy, milk, egg and no artificial preservatives
- ★ FEEL BETTER OR YOUR MONEY BACK - We are confident that you will love our vitamins but if for whatever reason our product doesn’t meet your current standards utilize Amazon's 30 day return policy to return for a refund, no questions-asked. At Herb-Science customer satisfaction is our top priority!
- ✔️ Supports Hair Growth - Biotin, a vitamin for hair growth for women & men, is water soluble vitamin that is part of the B Complex. It's found in many foods, like eggs, nut and fish. Not only that biotin is found in foods, this biotin is supplemented through dietary supplement to help promote the production of keratin, a protein found in the hair.* This Biotin 10000mcg, or Vitamin B7, is essential for healthy hair, especially overall wellness.*
- 💅 Contributes to Healthy Nails - Along with healthy hair, Biotin 10000mcg may also support healthy and stronger nails.* Biotin supplements are important vitamin that helps contribute to nail growth and nail strength.* Supplementing with biotin for men & women can help to strengthen nails, making it less brittle.* Add this biotin supplement to your diet and daily regimen.
- ✔️ Supports Vibrant & Healthy Skin - Biotin is an important nutrient for healthy skin.* Biotin 10000mcg, which is powder, capsules and powder form, help to maintain the skin's health, and can also help to promote the appearance of skin texture, making this Biotin pills, of Biotin Vitamins supplement, and important part of healthy diet and regimen.*
- ✔️ Easy to Take - Unlike fat soluble vitamins, water soluble vitamins are not stored in the body and must be replaced on a daily basis. This makes biotin an important part of a healthy diet. Our Biotin 10000mcg, which is in powder, capsules, and softgels, provides 10mg per serving and it's free of gluten, dairy, soy and especially no added sugars.
- ⭐ High Quality - All products by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We’ve made a significant investment in our in-house lab so we can test our products at multiple stages during production. We third party test products, procedures and equipment when required to ensure compliance, standards and consistency.
Helps nourish hair, skin and nails
Supports energy production through carbohydrate, protein and fat metabolism
Delivers D-biotin, the naturally occurring, biologically active form in an easy-to-swallow capsule
- Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
- Includes 2 Bottles of SmarterVitamins Biotin 5000mcg for a total of 180 Liquid Softgels for Natural Hair, Skin & Nail Metabolism Strength Support.
- SMARTER Biotin is part of the Vitamin B family, Vitamin B7 to be exact and it works on a cellular level to support Skin, Nail, & Hair Growth.*
- SMARTER Vitamin B7 Biotin Benefits includes Keratin production*, Collagen Support Mini Liquid Softgel, Supports Amino Acid Metabolism, and Promotes Normal Immune Function.
- Made SMARTER in the USA without Bad Stuff such as Fillers, Magnesium Stearate, Dioxides, Silica, Maltodextrin, Carrageenan, Soy, Milk, Egg, Corn, Tree Nuts, Artificial Colors, or Preservatives.
- Natural Hair Support - Helps with fuller strands by supporting thicker hair follicle size. Biotin is more effective when consumed directly to the body rather than external applications such as shampoo or conditioner. High potency to support thicker hair.
- Stronger Nails & Glowing Skin - Biotin may help support your body maintain nail strength and thickness while encouraging glowing, radiant skin. Avoid weak, cracked nails with biotin for thicker, healthier cuticles. Get soft, vibrant skin after daily use.
- Supports Metabolic Function - Helps convert glucose from food into usable energy and helps the body use amino acids from proteins for long-lasting vitality. Essential B vitamins to maintain a healthy metabolism and digestive system.
- Potent Ingredients - Our Biotin is extracted from 100% certified organic Sesbania herb that includes the natural cofactors & co-nutrients in the plant for improved bioavailability. Pure high quality for maximum absorption & benefits for your body.
- Manufactured In The USA - Our Biotin is manufactured in our very own, state-of-the-art cGMP certified facility in Phoenix, Arizona. We pride ourselves on quality, which is why all bottles come with a 30-day guarantee, produced right here in the USA.
Helps nourish hair, skin and nails
Supports energy production
Supports carbohydrate, fat and protein metabolism
- Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
- Provides support for dry, brittle nails
- Helps support healthy metabolism
- Supports healthy skin and hair
- Helps maintain healthy nerve function
- Thorne products contain ingredients from the purest sources worldwide. Flavors, colors, preservatives, and sweeteners are derived from natural sources. Our products never contain gluten, Genetically Modified Organisms (known as GMOs), artificial preservatives, stearates, wheat, rye, barley, eggs, or nuts. This product does not contain dairy, soy, corn, sugar, or magnesium stearate
- MAXIMUM STRENGTH BIOTIN: Each bottle contains 180 Veggie Capsules, and each capsule is packed with 10,000 MCG of Biotin (vitamin B7), which is one of the B-complex vitamins, and is also known as Vitamin B7. As an added bonus, our unique formula includes 176 MG of Calcium per capsule to help strengthen bones. *
- BIOTIN FOR HAIR, SKIN & NAILS: Biotin is thought to help strengthen hair, give hair a healthy appearance, and may even help reduce hair loss. Additionally, Biotin helps enhance the texture and tone of your skin and promotes healthy, strong nails. Biotin is one of the essential B-complex vitamins. *
- INCREASE YOUR ENERGY LEVELS AND WELL-BEING: Biotin (B-7) is a key component in helping the body transform food into energy and even helps to optimize your metabolism. Additionally, Biotin supports healthy brain function and helps combat cognitive decline, supports a healthy cardiovascular system and promotes healthy thyroid function. Men and women alike can benefit from maintaining healthy levels of Biotin in the body since it is one of the essential B-complex vitamins. *
- BEST VALUE AVAILABLE ON AMAZON: Our Biotin product is manufactured in the USA in a GMP certified facility, and is subject to stringent quality testing. Backed by our 100% MONEY BACK GUARANTEE for 30 days, you receive 180 Capsules - not to be mistaken for liquid softgels , biotin powder , serum , gummies , chewable chews , sublingual drops , dots , dissolve tablets , time release lozenges , coconut oil , injection , patch , essential oil , drink , gel , serum , spray & gel *
- PROVEN TRACK RECORD: aSquared Nutrition prides themselves on quality and reliability. We know you’ll love our ever-expanding product line from our CoQ10 400mg (Coenzyme Q10) to our Vitamin B-12 (Methyl B12). Newer products include our Vitamin D3 with K2, DHEA 100mg, CLA 1250, Turmeric Curcumin, All Natural Ceylon Cinnamon, Resveratrol, Green Coffee Bean Extract, Garcinia Cambogia, Colon Detox & Cleanse, Milk Thistle 1000mg, Candida Cleanse, Green Tea, Panax Ginseng, Berberine and Forskolin. *
- SUPPORTS HEALTHY HAIR (1): As is a commonly used vitamin for healthy hair Biotin helps support and maintain healthy beautiful hair (1)
- SKIN & NAIL HEALTH SUPPORT (1): Biotin plays an important role in the health of your skin and also supports healthy nails so you can continue to look and feel your best (1)
- NERVOUS SYSTEM SUPPORT (1): As part of the B Family of vitamins Biotin helps support a healthy nervous system and has other benefits as well (1)
- ENERGY METABOLISM: Your body uses B-Vitamins, like Biotin to help convert foods into cellular energy; (1) Nature’s Bounty Biotin vitamins may play an important role in helping maintain energy metabolism (1)
- FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Biotin Softgels are a product of nearly 50 years of dedication to quality consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence
- We designed our vitamins for those who were looking for easy to eat vitamins without the struggle of swallowing pills. Improve overall health & increase hair support.
- This vegetarian formula is based on clinical trials that have shown these ingredients to help improve hair health.
- Nourish your hair from within with our cruelty free gummy bear hair vitamins.
- Vitamin A, Vitamin C, Vitamin D, Vitamin E, Vitamin B-6, Folic Acid, Vitamin B-12, Biotin, Pantothenic Acid, Iodine, Zinc, Choline, Inositol, as the active vitamins and minerals
- No gelatin. No dairy. No gluten. No side effects.
- ✿ Low Sugar & 10 New Formula - 10,000 mcg of pure biotin(Vitamin B7) in each serving with olny 1g sugar of our biotin and collagen gummies. Collagen, Chlorophyll, Vatimin A, B6, B12, C, D, E, Zinc added.Don't worry about getting fat or cavities. Meet all kinds of nutritional elements daily required. Brand New Generation Formula and premier ingredients.
- ✿Organic Biotin with Collagen - With no tough pill to swallow. These little yummy gummies help you remember to take your nutrients every day. Tasty gummies feature a delicious fruit flavor that makes them an easy and effective bite-sized solution.
- ✿Hair&Skin&Nails Gummies - Biotin Gummies for hair growth and collagen helps you recuperate from the inside and fundamentally improve the external image of hair, skin, nails and so on. Natural is the most beautiful, and you will exude a healthy charm from the inside out.
- ✿Vegan Biotin Gummies for women&men- Packed full of natural ingredients and 100% Vegan, pure juice added. no soy, no gluten, no eggs, no dairy, no nuts, no gelatin, no GMOs no artificial color, flavor or sweetener & no preservatives. Prevent you from obesity and teeth problem. Designed for practical and easy on-the-go supplementation for men, women and children.
- ✿Made in US& Customer Support- Our biotin and collagen gummies for kids and adults are made in the USA, certified allergen-free, tested and bottled in a 3rd-party tested facility . Return and refund 100% if you are not satisfied with our products, please feel free to contact us and we will solve your problem. Totally worth a try!
- High Potency Support for Hair, Skin, & Nails - Our liquid Biotin and Collagen contains a high potency of biotin and collagen to support hair growth, healthy skin, and strong nails. Each serving of just 2mL contains 50,000mcg total. That is 20,000mcg of biotin (also known as Vitamin B-7) and 30,000 mcg of porcine hydrolyzed Collagen type I & III. Can also be taken in 1mL servings giving 25,000mcg total
- Biotin is Essential For Support of Healthier Hair & Nails - Men & women can benefit from healthy hair and skin support with our liquid Biotin Collagen. Our Biotin Collagen liquid drops can also help support strong thick nails.
- Rich and Smooth Flavor - Berry flavor Biotin Collagen liquid goes down smooth and tastes great! our biotin Collagen supplement is a delicious, effective and easy to swallow alternative to pills, capsules, and powders. Our formula contains no gluten, soy, sugar, milk, yeast, salt, or wheat.
- B-Complex Family - Biotin is a co-enzyme and one of several B vitamins that support healthy body functions such as metabolism. Nourish your skin and hair from the inside out with Pure Research liquid Biotin Collagen.
- A Brand You Can Trust - We are proud of the quality & purity of every bottle of Biotin we sell. But if for some reason we do not meet your expectations, do not hesitate to contact us. We stand behind our biotin collagen beauty drops, and will do our best to make things right. Customer satisfaction is our top priority.
How to choose a good vitamin b7 biotin
Does the idea of finding a fantastic vitamin b7 biotin make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in vitamin b7 biotin. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top vitamin b7 biotin products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top vitamin b7 biotin on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top vitamin b7 biotin brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top vitamin b7 biotin based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the vitamin b7 biotin were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good vitamin b7 biotin, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your vitamin b7 biotin.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting vitamin b7 biotin for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our vitamin b7 biotin. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what vitamin b7 biotin should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on vitamin b7 biotin.