Skip to content

Doctor's Best, Fully Active B Complex with Quatrefolic

SKU DRB-00299
UPC 753950002999
Original price $7.49 - Original price $12.51
Original price
$7.49 - $12.51
Current price $7.49
Form: Veg. Capsules
Quantity: 30 Count

Quality Testing

The Quality Grade for this product is "NT" (Not Tested). We aim to test all the products Health Orchard offers, and will publish the Quality Testing results on each product’s page once they are available. Our goal is to empower our customers with the information they need to find safe and high-quality health supplements.
Testing Result
USP Allowed

Supplement & Nutrition Facts

Serving Size: 1 Veggie Capsule
Servings Per Container: 30
  Amount Per Serving % Daily Value
Vitamin C (as ascorbic acid)
40 mg
Thiamin (as thiamin HCl)
60 mg
Riboflavin (as riboflavin and riboflavin-5-phosphate)
75 mg
Niacin (as niacinamide and niacin)
50 mg
Vitamin B6 (from pyridoxine HCl and pyridoxal-5-phosphate)
50 mg
Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt) (Quatrefolic®)
400 mcg DFE
Vitamin B12 (as methylcobalamin)
1000 mcg
600 mcg
Pantothenic Acid (as d-calcium pantothenate)
100 mg

Product Description


Optimize your B vitamin intake with Doctor's Best Fully Active B Complex with Quatrefolic, a comprehensive blend.

Doctor's Best Fully Active B Complex with Quatrefolic is a dietary supplement that contains all eight important B vitamins in a full spectrum designed for optimal absorption and utilization. This vegan, non-GMO, gluten-free, and soy-free formula supports overall health and well-being by promoting energy production, cell metabolism, DNA synthesis, organ function, gene expression, tissue health, skin health, immune system function, and enzyme activity. It also contains Quatrefolic®, the most bioavailable form of folate, for greater stability and water solubility.

  • Dietary supplement containing a full spectrum of B vitamins for optimal absorption and utilization
  • Supports overall health, well-being, energy production, cell metabolism, DNA, organs, genes, tissues, skin health, immune system, and enzyme functions
  • Contains Quatrefolic®, the most bioavailable form of folate, for greater stability and water solubility
  • Vegan, non-GMO, gluten-free, and soy-free formula


Adult use: Take 1 capsule daily with food, or as recommended by a nutritionally informed physician.


Hypromellose (vegetarian capsule), micro crystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.

Health risks and warnings

Do not exceed recommended dose. Consult a physician if hypersensitive to thiamin (vitamin B1), niacin, and vitamin B12. Discontinue use and consult a physician if adverse reaction occurs. Keep out of reach of children.

Store in a cool dry place.

Please note

At Health Orchard, we are committed to providing accurate product information and images. However, manufacturers may update their product packaging or ingredients, and these changes may not be immediately reflected on our website. It's possible for products to be shipped with different packaging than what is shown online. For the most accurate and safe use of any product, we advise reading the product's label, warnings, and instructions rather than relying solely on the details provided by Health Orchard.

Visit the manufacturer's website for more information.

Questions and Answers about Doctor's Best, Fully Active B Complex with Quatrefolic

Have a Question?

Ask a Question
  • What is the fully active B complex?

    Fully active B complex is a supplement that contains B vitamins in their active, readily usable forms, such as Quatrefolic, a form of folate.

  • What is the latest time of day to take B-complex vitamins?

    B-complex vitamins are best taken in the morning or early afternoon, as they may have a mild energizing effect.

  • Which vitamins should not be taken with B-complex?

    B-complex vitamins can generally be taken with other vitamins and supplements, but it's always best to consult with a healthcare provider for personalized advice.

  • How many times a week can I take B-complex?

    B-complex supplements can typically be taken daily, as directed on the product label or by a healthcare provider.

  • Is it safe to take B complex every day?

    Yes, it is generally safe to take B-complex supplements every day, as long as you follow the recommended dosage on the product label or as directed by a healthcare provider.

  • Is it okay to take B complex at night?

    It's generally better to take B-complex vitamins in the morning or early afternoon, as they may have a mild energizing effect that could interfere with sleep if taken at night.


The Marketplace not only offers thousands of health supplements, but also allows you to see the prices of those supplements at all major retailers.


The Library will provide articles, guidebooks, and video tutorials from real doctors to help you understand all you need to know about your health supplements.


The Forum allows healthcare professionals and paying users to discuss health and supplements on an organized and user-friendly platform.

Related articles