Are you trying to find vitamin b complex 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 b complex 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 11 hours of research and did 40 vitamin b complex 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 b complex you can buy today
- FOR CELLULAR ENERGY SUPPORT (1): Our Vitamin B Complex with Folic Acid and Vitamin C helps convert food into energy (1)
- ESSENTIAL VITAMINS (1): Packed with B Complex Vitamins to aid energy metabolism, heart, and nervous system health (1)
- IMMUNE BOOSTING (1): Vitamin B Complex in our formula supports immune health and provides antioxidant benefits for overall well-being (1)
- VEGETARIAN AND PURE (1): This B-Complex Vitamin Supplement is vegetarian-friendly; non-GMO; gluten-free; and free from artificial colors; sweeteners; and flavors for peace of mind
- TRUSTED EXPERTISE: Backed by nearly 50 years of research; Nature's Bounty offers quality and consistency with each tablet of our Super B Complex Vitamin Supplements
- Immune support supplement: contains one 140 count value size bottle of Nature Made Super B Complex with Vitamin C and Folic Acid Tablets for a 140-day supply.
- This Nature Made B complex supplement helps support the immune system
- This Vitamin B complex supplement also supports a healthy brain and nervous system
- Provides all 8 essential B vitamins, including Folic Acid (B9) and Vitamin B12
- Adults take one of these Vitamin B-complex supplements daily with water and a meal
- Made in the USA with quality global ingredients, this Nature Made B complex supplement is gluten free with no color added and no artificial flavors
- United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin & Supplement Brand*
- These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
- Brain cell function support supplement: contains one 60 count bottle of Nature Made Super B Energy Complex Softgels for a 60-day supply
- These Super B Complex vitamins offer certain B vitamins that help support brain cell function
- This Nature Made B Complex supplement also helps provide energy metabolism support (1)
- Provides all 8 essential B vitamins, including Folic Acid (B9) and Vitamin B12
- Adults take one of these Super B vitamin softgels daily with water and a meal
- These Nature Made B Complex softgels have no color added, no artificial flavors, no preservatives and are gluten free
- United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin & Supplement Brand*
- These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
![NatureWise Vitamin B Complex for Women and Men - with Folic Acid Biotin B1 B2 B3 B6 B12 - Support Cellular Energy & Mental Clarity - Gluten & Dairy Free, Non-GMO - 60 Softgels[2-Month Supply]](https://m.media-amazon.com/images/I/41OeDJKrNhL.jpg "The 8 Best vitamin b complex of %currentyear% 59")
- ENERGY METABOLISM SUPPORT: B Vitamins are important for cellular energy production and metabolism by helping the body convert food into usable energy.* Our formula contains a comprehensive B vitamin complex with B1, B2, B3, B6, biotin (B7), folic acid (B9) and B12.
- FOLIC ACID & VITAMIN B12: Folic acid, or vitamin B9, helps the body break down, use, and create protein- making it especially useful for pregnant women. Vitamin B12 is an important B vitamin for energy metabolism that works with folic acid to support blood and nerve cell health.*
- NERVOUS SYSTEM & IMMUNE SUPPORT: Vitamin B Complex may support your cognitive function due to vitamin B's important role in the nervous system. Vitamin B also contributes to the body's immune function and overall health.*
- SUPERIOR FORMULATION: Our Vitamin B Complex softgels are made with halal gelatin to meet strict dietary restrictions, and do not contain harmful ingredients like magnesium stearate and titanium dioxide. They do not contain wheat, gluten, eggs, soy, milk, tree nuts, peanuts, fish, shellfish, or sesame seeds.
- 3rd PARTY TESTED, NSF-CERTIFIED: Vitamin B Complex softgels contents are NSF Nutrient Certified, 3rd party tested for purity and efficacy, and manufactured in the USA with high-quality ingredients from around the world in a cGMP-certified facility.
- Bs for heart & brain health—Our BioActive Complete B-Complex features a nourishing combination of the full spectrum of the vitamin B family. It delivers the Bs your body needs to maintain a strong heart and a sharp mind.
- Why do I need all these Bs?—There are eight B vitamins, and each supports you in different ways. Our B complex formula helps promote energy production, and supports cell activity and healthy skin—it’s the perfect companion to a well-balanced diet.
- Easy-to-absorb formula—BioActive Complete B-Complex is made with special forms of each B vitamin that’s easier for your body to use, optimizing absorption to help your body support an array of biological process that keep you healthy.
- ingredients matter—Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and 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. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
- B COMPLEX VITAMINS FOR WOMEN AND MEN: Our high potency vitamin B complex supports energy, metabolism and immune system health as well as a healthy response to stress with B vitamins, Raw Organic fruits and vegetables as well as raw probiotics & enzymes
- ENERGY SUPPLEMENT: High potencies of 8 whole food complexed B vitamins to support mental & physical energy―thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), B6, biotin (B7), folate (B9, no synthetic folic acid) & B12 (as methylcobalamin)
- HEART HEALTH: Our B Complex vitamin supplement is whole food nutrition with 133 mcg of vitamin B-12 (5542% DV), 450 mcg DFE of folate (113% DV) and 10mg of vitamin B6 (588% DV) for heart & blood health—plus 325 mcg of biotin (1083% DV), fruits & veggies
- PROBIOTICS & ENZYMES: Featuring raw Lactobacillus probiotics and digestive enzymes Lipase, Protease, Bromelain, Lactase, Papain & more to support healthy digestion; Adults take 2 capsules daily, or open capsules & mix contents with water or juice
- SAY YES TO CLEAN SUPPLEMENTS: Our real food vegan B complex is Third Party Certified Non GMO, Gluten Free and Kosher; It's RAW—no high heat, synthetic binders, fillers, artificial flavors, sweeteners, colors or additives commonly used in tablets
- Nervous System Support: Supports the nervous and cardiovascular system plus healthy nerve and blood cells; also supports hair, skin and nails*
- Cognitive Support: Methylated Folate (Metafolin L-5-MTHF) and vitamin B12 support healthy cognitive function, memory, and energy; also supports G.I. tract*
- Premium Cellular Energy Support for Women and Men: B vitamins support metabolism of protein and conversion of carbohydrates into energy*
- Supports Cognitive Health: This vitamin B complex supplement supports memory, energy, and metabolism*
- Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs
- More Potent Source Of B-Complex Vitamins - Our extra strength formula contains all the essential B Vitamins in just one capsule. If you'd rather take your B Vitamins (like B 12 & 6) together in one convenient capsule, look no further! Divine Bounty offers one of the most potent Vitamin B-Complex formulas available.
- Best Value For Money - Not only do we offer a high potency formula, each bottle contains 90 B Complex capsules, making it one of the best value vitamin B supplements available. The B-complex group are water-soluble vitamins, not easily stored in the body and thus need to be replenished frequently. Most comparable brands offer less capsules or a lower potency formula. With more capsules per bottle and superior potency per capsule, Divine Bounty is great value for money.
- Highest Quality Ingredients - Our formula is made up of only pure ingredients with no harmful additives. Simply the full B-Complex plus the combo of Inositol and Choline, two naturally occurring close cousins to the B Vitamin family. Our capsules are non GMO, soy free, gluten free and have no preservatives, silicone dioxide or artificial ingredients.
- Daily B Complex Vitamins - Our bodies use B vitamins every day, and while diet is always the best way to get these essential vitamins, it’s not always possible to get enough of all 8 b vitamins from food alone. Use the Divine Bounty B Complex formula to supplement any deficiencies. Also sometimes called Super B, Stress B Complex, or B-100, it can also be taken as powder, tablets, pills, or soft gel caps.
- A Supplement You Can Take With Confidence - Divine Bounty is proudly made in the USA in an inspected facility. We stand behind our Vitamin B complex supplement and care about your results.
- Nervous System: Promotes an optimally functioning nervous system and healthy nerve cells*
- Cellular Energy: B vitamins promote cellular energy production*
- Complete Formula: An optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in the body*
- Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners
- Contains All B Vitamins + C: Bronson’s B-Complex formula contains Vitamin B1, B2, B3, B6, Folic Acid, B12, Biotin, and Pantothenic Acid plus Vitamin C all within one vegetarian capsule.
- Immune, Energy & Nervous System Support: Our Vitamin B-Complex includes key B vitamins combined with Vitamin C to support a healthy immune system.* Deficiency in B vitamins is a common occurrence. Vitamin B Complex with C includes an effective amount of B vitamins to support daily replenishment, energy and healthy nerve function.*
- Superior Quality Formula: Non-GMO, Gluten-Free and Soy-Free tested at our state of the art GMP Registered New York Facility.
- Trusted Since1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.
- Contains All B Vitamins + C: Bronson’s B-Complex formula contains Vitamin B1, B2, B3, B6, Folic Acid, B12, Biotin, and Pantothenic Acid plus Vitamin C all within one vegetarian capsule.
- Immune, Energy & Nervous System Support: Our Vitamin B-Complex includes key B vitamins combined with Vitamin C to support a healthy immune system.* Deficiency in B vitamins is a common occurrence. Vitamin B Complex with C includes an effective amount of B vitamins to support daily replenishment, energy and healthy nerve function.*
- Superior Quality Formula: Non-GMO, Gluten-Free and Soy-Free tested at our state of the art GMP Registered New York Facility.
- Trusted Since1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.
- Boost your energy levels and metabolism with our B vitamin complex: Packed with essential B vitamins like B3, B6, biotin, folate, and B12, this blend supports your body's metabolic processes, supporting your overall wellness!
- Multiple Benefits: Support amino acid metabolism and neurotransmitter creation. Our B complex vitamins including B3 (niacin) and B6 (pyridoxine) aid your body in creating neurotransmitters and red blood cells.
- MaryRuth's B complex drops contain vitamin B12 (in the form of the bioavailable methylcobalamin) is essential for nervous system function, DNA production, and red blood cell development.
- MaryRuth's B complex drops contain vitamin B7 (Biotin) which is crucial in gene expression and metabolizing carbohydrates and fat. B9 (Folate) is used for the formation of red and white blood cells, cell growth, and proper cell division. It also aids in amino acid metabolism.
- Support your levels of these essential B vitamins with our easy-to-take and delicious cherry-flavored liquid drops! For Most Lifestyles: MaryRuth's B Complex drops are USDA Organic, Nut Free, Gluten Free, Vegan, Clean Label Project Certified, B Corp Certfied, and Made in a GMP Facility.
- ❤️ 20,000 mcg Sublingual B Complex – A blend of Vitamin B5 Pantothenic Acid, Thiamine B1, Riboflavin B2, Niacinamide B3, Pyridoxine B6, Biotin B7, Folic Acid B9 & Methylcobalamin B12 vitamins for energy, brain, heart, metabolism, vitality & immune aid. The perfect energy mix of B1, B2, B3, B4, B5, B6, B7, B9 & B12 with natural berry flavor & 2 months of intake.
- ❤️ USDA Organic Vitamin B Complex – Empower energized & vibrant you with our premium quality USDA-organic liquid b complex drops with vitamin B5 & Methylcobalamin B12. Organic vitamin b complex B1, B2, B3, B4, B5, B6, B7, B9 & B12 are designed to supercharge energy levels, this liquid powerhouse is a go-to source for feeling more alive and vibrant daily.
- ❤️ Energy, Brain & Heart Support – Vitamin b-complex supplements for men & women are crafted to support your brain and nerve functions to stay sharp, focused, and mentally excellent. Let your intelligence shine with sustained brain and nerve support! The robust mix of liquid vitamin b complex with Pantothenic Acid B5 & Vit B12 ensures your immune system can handle life's challenges!
- ❤️ USA-made, Organic & Safe – USDA organic liquid vit b complex formula with Pantothenic Acid B5 & Methylcobalamin B12 signifies a potent dosage, ensuring each drop is robust and has maximum benefits for your wellness. Vitamin b drops are non-GMO, alcohol-free, and free of DYE or preservatives. Organic B-complex drops with Pantothenic Acid B5 & Methylcobalamin B12 have been meticulously crafted per the most rigorous industry standards.
- ❤️ Made with Care & Love – At NUTRAHARMONY, we desire to provide you with quality and outstanding service. If, for any reason, you are not happy with b complex liquid drops, just let us know! Drop a message to share your experience with b vitamins complex B1, B2, B3, B4, B5 Pantothenic Acid, B6, B7, B9 & Methylcobalamin B12!
- Vitamin B Complex – Your daily dose of energy: for brain & mood support! A high-quality Vitamin B Complex strengthens and maintains the immune system and supports the work of the cardiovascular & nervous systems.
- Full-spectrum B-complex – Vitamins B1, B2, B3, B5, B6, B7, B8, B9, B12 - super B complex with vitamin C, Choline, and Inositol! B complex vitamin supplements: a full antioxidant cocktail in a single capsule! Supports the immune system, energy metabolism, and numerous vital bodily functions!
- Energy, Brain & Heart – Super vitamin b complex is intensive health support for energy metabolism, the immune and hormonal systems, homocysteine regulation, nutrient metabolism, heart function, and psychological function! B vitamins complex maintains endurance and body productivity & relieves nervous tension as well.
- USA-Made Super B Complex – Dedication to providing potent b-complex vitamin supplements for our customer's health and happiness is what drives us. Our Vit B Complex capsules are made in the USA and are free from GMOs and artificial additives. We don't just deliver B vitamins. We deliver results. Health is wealth – keep this treasure safe!
- Made with Care & Love – At NUTRAHARMONY, we desire to provide you with quality and outstanding service. If, for any reason, you are not happy with Vitamin B Complex capsules, just let us know! Drop a message to our support team to share your outstanding experience with B complex vitamins! We care for your well-being!
- 120 Plant-Based "Veggie" Capsules per Bottle
- Vitamins B1, B2, B3, B5, B6, B7 (Biotin), B9 (Folic Acid), B12 and C
- 462mg of Vitamin B Complex per Capsule
- Vegetarian, Non-GMO, Gluten Free, 3rd Party Tested
- Made in a GMP Compliant, FDA Registered Facility
- Nervous System: Promotes an optimally functioning nervous system
- Cellular Energy: B vitamins promote cellular energy production by supporting the conversion of carbohydrates into energy, as well as the optimal metabolism of fats and proteins
- Complete Formula: An optimal balance of eight B vitamins with extra vitamin B12, plus choline, in their active forms to enhance absorption in the body
- Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
- Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams
- ✔️Vitamin B Complex: Our formula delivers all 8 essential B vitamins with vitamin C, folate, biotin, choline, inositol
- ✔️Pure Vitamin B Complex without the use of fillers or binders. All our ingredients are bought from suppliers that go through a very thorough audit process to ensure they can meet our higher standards
- ✔️Premium Quality: Gluten Free, Non-GMO, GMP, Veggie caps, Third tested party, Purity & Potency Lab tested. We take pride in providing you a pure blend which does NOT CONTAIN fillers, magnesium stearate, dioxides, gluten, soy, sugar, yeast, starch, non-gmo
- Manufactured in a FDA registered facility in accordance with Good Manufacturing Practices (GMP)
- As a dietary supplement take, one (1) capsule per day with a meal or as recommended by your healthcare practitioner
- WHY VITAMIN B - B vitamins are essential to our most basic cellular metabolic activities. As coenzymes, they help us to get energy from food, and to make neurotransmitters for brain and nerve function.
- ONCE-DAILY SUPPLEMENT - This once-daily, vegan capsule delivers thiamine, riboflavin, niacin, vitamin B6, folate, biotin, vitamin B12 as methylcobalamin, and pantothenic acid.
- BETTER ABSORPTION - Vitamin B Complex is a blend of eight highly absorbable, water-soluble B vitamins expertly formulated to deliver physiologically meaningful doses of each vitamin.
- PURITY GUARANTEED - Everything we make is third-party tested, surpassing the strictest international standards for purity & freshness. This product is non-GMO, gluten & dairy free, and contains no artificial colors or flavors.
- ETHICAL INNOVATION - Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients for optimal wellness.
- METHYLATED B VITAMINS AND FOLATE that the body utilises immediately: bioavailable folate as methylfolate & methylcobalamin (Vit B12) - no poorly absorbed cyanocobalamin*
- HIGH STRENGTH, SUPER ABSORBABLE B complex vitamins including thiamine (B1), Riboflavin-5-phosphate (B2), Nicotinamide (flush free Niacin - B3), Calcium D-pantothenate (B5) & D-Biotin (B7)*
- SUSTAINED RELEASE technology gradually releases vitamins (important for optimising B12 levels), whilst twice daily dosing provides all-day nutrient coverage*
- INTENSIVE HEALTH SUPPORT for energy metabolism, the immune and hormonal systems, homocysteine regulation, nutrient metabolism, heart function and psychological function*
- PURE & CLEAN: vegan, non-GMO, hypoallergenic ingredients, no unpleasant fillers (silicon dioxide, magnesium stearate or titanium dioxide). Lab verified, USA & UK GMP manufactured. Small 9mm tablets
- Contains All B Vitamins: B1, B2, B3, B6, Folic Acid, B12, Biotin, Pantothanic Acid. Manufactured at cGMP registered facility. Laboratory tested NON-GMO, Gluten Free and Soy Free.
- Sustained Release + Energy: Slowly releases over 6-8 hours to provide a steady balanced stream of B vitamins (Vitamin B2, B3, B6, B9, B12). Maintain healthy energy levels throughout the day.
- Extra Potent Source of B-Complex Vitamins: Our extra strength formula contains all the essential B Vitamins in just one tablet. If you'd rather take your B Vitamins (like B 12 & 6) together to maximize the benefits, trust Bronson brand! Since 1960 Bronson offers one of the most effective and powerful Vitamin B-Complex formulas available.
- Manage Daily Stress & Nervous System & Brain: Men, Women and Children can benefit from supplementing their B Vitamin intake. Studies have shown B Vitamin supplementation can help to counter symptoms of deficiency. Also sometimes called Super B, Stress B Complex, or B-100, it can also be taken as powder, tablets, pills, soft gel caps, or organic and vegan forms.
How to choose a good vitamin b complex
Does the idea of finding a fantastic vitamin b complex 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 b complex. 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 b complex 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 b complex 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 b complex 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 b complex 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 b complex 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 b complex, 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 b complex.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting vitamin b complex 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 b complex. 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 b complex 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 b complex.
