Top 10 Best Vitamin B Supplements for Energy
Vitamin B is an essential nutrient that helps the body convert food into energy. It’s also necessary for proper cell function and plays a role in DNA synthesis. A lack of vitamin B can lead to fatigue, anemia, and depression. While you can get vitamin B from food sources, such as meat, poultry, fish, eggs, and dairy, some people may not get enough from diet alone and may need a supplement. Here are the 10 best vitamin B supplements.

Table of Contents
- #1 – Thorne Research, Basic B Complex
- #2 – Life Extension, BioActive Complete B-Complex
- #3 – Jarrow Formulas, Methyl Folate
- #4 – Thorne Research, Ferrasorb, Iron with Cofactors
- #5 – NOW Foods, Inositol Capsules
- #6 – Doctor’s Best, Fully Active B Complex with Quatrefolic
- #7 – 21st Century, B-Complex Plus Vitamin C
- #8 – NOW Foods, Choline & Inositol
- #9 – Fairhaven Health, Myo-Inositol, For Women and Men
- #10 – Sundown Naturals, B-Complex
#1 – Thorne Research, Basic B Complex
Description: Thorne’s Basic B Complex formula contains the active forms of the B vitamins, making it easy for your body to absorb them.
This comprehensive blend provides multiple benefits to support your lifestyle, such as helping convert food into fuel and enhancing cellular energy.
Because most B vitamins don’t remain in the body, they must be acquired from diet and supplementation to help maintain optimal health.
Benefits of Thorne’s Basic B Complex:
Promotes cellular energy production
Supports an optimally functioning nervous system and healthy nerve cells
B vitamins promote the conversion of carbohydrates into energy and the metabolism of fats and proteins
Promotes healthy red blood cell formation
Isn’t derived from yeast, unlike many B vitamin supplements on the market
Supplementing with tissue-ready B vitamins is important for everyone, especially individuals who aren’t able to convert the non-active B vitamins to their active forms. Factors that can inhibit the body’s ability to convert non-active vitamins to their active forms include genetic predisposition, compromised liver function, poorly functioning enzymes, digestive disturbances, and aging.
Brand: Thorne
Features:
- Dietary Supplement
- Stress
- Foundational
- Energy
- Gluten Free
Pricing: $36.25
Where to Find: Link here

#2 – Life Extension, BioActive Complete B-Complex
Description: Healthy vitamin B levels can support energy production, organ function, cognitive function and other essential metabolic processes. BioActive Complete B-Complex is packed with the biologically active forms of vitamin B6, B12, niacin, biotin, 5-MTHF folate and more, making it a great way to get B vitamins.
Which vitamin B is right for me? Each type plays a different role in your health, so it’s important to get what the body needs.
Brand: Life Extension
Features:
- Gluten Free
- Non-GMO LE Certified
- Contains Enzymatically Active B-Vitamins
- Dietary Supplement
Pricing: $14.46
Where to Find: Link here

#3 – Jarrow Formulas, Methyl Folate
Description: Methyl Folate ((6S)-5-methyltetrahydrofolate or (6S)-5-MTHF) is a highly biologically active form of folate. Due to the body’s limited ability to transform synthetic folic acid into the active form of folate, supplementation with 5-MTHF is highly preferable.
Health Claim: Healthful diets with adequate folate may reduce the risk of having a child with a brain or spinal cord defect.
Brand: Jarrow Formulas
Features:
- (6S)-5-Methyltetrahydrofolate Glucosamine Salt
- 4th Generation Folic Acid Technology
- A Highly Biologically Active Form of Folate
- Quatrefolic®
- Non GMO Certified by NSF
- Dietary Supplement
- Vegan
Pricing: $10.59
Where to Find: Link here

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#4 – Thorne Research, Ferrasorb, Iron with Cofactors
Description: Ferrasorb provides 36 mg of elemental iron per capsule, plus the active forms of folate and vitamins B6 and B12, which are essential for blood-building. Vitamin C optimizes iron absorption.
Iron deficiency can manifest as weakness, fatigue, shortness of breath on exertion, dizziness, tinnitus, spots before the eyes, drowsiness, irritability, infrequent menses, and loss of libido. Individuals who have a greater need for iron, or who tend to chronically lose iron, or who don’t absorb iron well, can benefit from a formula that can increase the amount of hemoglobin in the blood, such as Ferrasorb. Studies indicate that combining iron with essential B vitamins and vitamin C is superior to using these nutrients individually. Ferrasorb combines the active forms of vitamin B6 (pyridoxal 5′-phosphate), vitamin B12 (methylcobalamin), and folate (L-5-methyltetrahydrofolate) with well-absorbed iron bisglycinate – for an optimal blood-building supplement. Vitamin C is added to enhance iron’s absorption.
Individuals who are susceptible to being deficient in iron include teenage girls, pregnant women, women of childbearing age (particularly if they have heavy menses), individuals with malabsorption syndromes (Crohn’s disease or Celiac disease), individuals on chemotherapy, elderly patients with low stomach acid secretion, and individuals with poor kidney function.
Brand: Thorne
Features:
- Dietary Supplement
- Blood Builder
Pricing: $33.35
Where to Find: Link here

#5 – NOW Foods, Inositol Capsules
Description: Inositol is a non-essential member of the B-Complex family with dietary sources from both animal and plant foods. The form of inositol used in this product is myo-inositol, the most abundant form of this nutrient. Inositol is found in all cell membranes, with the highest concentrations in the brain and central nervous system, where it plays an important role in neurotransmitter signaling. Inositol is also critical for the proper action of insulin, lipid metabolism, and for the maintenance of cellular calcium balance.
Brand: NOW
Features:
- Cellular Health
- Supports Healthy Membrane Function
- Myo-Inositol Form
- Non-GMO
- A Dietary Supplement
- Vegetarian/Vegan
- Kosher
- Vitamins
- Family Owned Since 1968
- GMP – Quality Assured
Pricing: $10.83
Where to Find: Link here

#6 – Doctor’s Best, Fully Active B Complex with Quatrefolic
Description: Doctor’s Best Fully Active B Complex contains all eight important B Vitamins, a full spectrum designed for optimal absorption and utilization to support overall health and well-being. Water-soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production.
Quatrefolic® is the glucosamine salt of (6S)-5-methyl- tetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility. Folate is an essential vitamin to support DNA, proper cell division, heart, mental and emotional well-being.
Brand: Doctor’s Best
Features:
- Science-Based Nutrition™
- Helps Support Energy Production and Cell Metabolism
- Dietary Supplement
- Non-GMO / Vegan / Gluten Free / Soy Free
Pricing: $24.04
Where to Find: Link here

#7 – 21st Century, B-Complex Plus Vitamin C
Description: B vitamins are interdependent upon each other and interrelated in function; they help convert food into energy and help maintain the nervous system and body tissues.
Brand: 21st Century
Features:
- Energy Support
- Vitamin Supplement
- Gluten Free
- Guaranteed Quality Laboratory Tested
Pricing: $9.55
Where to Find: Link here

#8 – NOW Foods, Choline & Inositol
Description: Choline and Inositol are members of the B-Vitamin family. Choline is necessary for normal synaptic transmission, brain health, and fatty acid metabolism in the liver. Inositol is also essential for brain and nervous system health. Both Choline and Inositol are essential components of all cell membranes.
Brand: NOW
Features:
- Nervous System Health
- Supports Healthy Nerve Transmission
- Assists in Fatty Acid Metabolism
- Non-GMO
- A Dietary Supplement
- Vegetarian/Vegan
- Kosher
- Family Owned Since 1968
- GMP Quality Assured
Pricing: $12.02
Where to Find: Link here

#9 – Fairhaven Health, Myo-Inositol, For Women and Men
Description: Myo-inositol is a naturally occurring substance belonging to the B complex family of vitamins.
May be taken with other Fairhaven Health male and female fertility supplements.
Brand: Fairhaven Health
Features:
- Supports Hormonal Balance
- Supports Ovarian Function and Egg Quality in Women
- Supports a Healthy Menstrual Cycle
- Supports Sperm Health in Men
- Dietary Supplement
- One Month Supply
Pricing: $34.32
Where to Find: Link here

#10 – Sundown Naturals, B-Complex
Description: Sundown® believes in clean nutrition and being transparent. That’s why you won’t find genetically modified ingredients, gluten, wheat, dairy, lactose or artificial flavors in any of our products.
B vitamins aid in the conversion of food into energy.
Brand: Sundown Naturals
Features:
- Gluten Free
- Dairy Free
- Non-GMO
- Clean Nutrition
- With 6 Essential B Vitamins
- For Energy Support & Heart Health*
- Vegetarian
- Vitamin Supplement
Pricing: $9.21
Where to Find: Link here


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