Doctor's BestProduct codePB-P36710EAN753950005013

Doctor's Best Fully Active B-Complex with Quatrefolic - 60 vcaps

VeganGluten-freeLactose-free
Other sizes30 vcaps €15.7960 vcaps
€138.84
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Key facts
Vitamin C
40 mg
Thiamin
60 mg
Intake
1 caps / day
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Description

What for?

Doctor's Best Fully Active B-Complex with Quatrefolic is a food supplement that combines eight B vitamins and vitamin C in one capsule.

Who is it for?

It suits you if you want a B-vitamin complex in a vegan capsule, taken once a day.

Doctor's Best Fully Active B-Complex with Quatrefolic is a food supplement in a pack of 60 capsules. Each capsule contains thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, biotin and pantothenic acid, plus vitamin C.

The folate is Quatrefolic, the glucosamine salt of (6S)-5-methyltetrahydrofolic acid. Riboflavin, niacin and vitamin B6 each come in two forms, and vitamin B12 is methylcobalamin.

  • Eight B vitamins in one capsule

    The formula covers thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, biotin and pantothenic acid.

  • Folate as Quatrefolic

    Each capsule provides 400 µg DFE of folate as the glucosamine salt of (6S)-5-methyltetrahydrofolic acid.

  • Active vitamin forms

    The formula uses riboflavin-5-phosphate, pyridoxal-5-phosphate and methylcobalamin.

  • Vegan, with a short allergen list

    The product is vegan, non-GMO, gluten-free and soy-free. The capsule is made from hypromellose.

What it does

The substances' health claims authorised in the EU, grouped by area. Each row is a claim that holds for the substances in that row.

9 substances · 65 authorised claims
Immunity and cell protection3
Normal immune system functionVitamin CVitamin B6FolateVitamin B12
Protection of cells from oxidative stressVitamin CRiboflavin
Regeneration of the reduced form of vitamin EVitamin C
Energy and tiredness2
Normal energy-yielding metabolismVitamin CThiaminRiboflavinNiacinPantothenic acidVitamin B6BiotinVitamin B12
Reduction of tiredness and fatigueVitamin CRiboflavinNiacinPantothenic acidVitamin B6FolateVitamin B12
Nervous system and mind3
Normal function of the nervous systemVitamin CThiaminRiboflavinNiacinVitamin B6BiotinVitamin B12
Normal psychological functionVitamin CThiaminNiacinVitamin B6BiotinFolateVitamin B12
Normal mental performancePantothenic acid
Bones, muscles, teeth1
Normal collagen formationVitamin C
Blood and heart6
Normal homocysteine metabolismVitamin B6FolateVitamin B12
Normal red blood cell formationRiboflavinVitamin B6Vitamin B12
Increased iron absorptionVitamin C
Normal blood formationFolate
Normal function of the heartThiamin
Normal iron metabolismRiboflavin
Skin, hair, vision4
Maintenance of normal mucous membranesRiboflavinNiacinBiotin
Maintenance of normal skinRiboflavinNiacinBiotin
Maintenance of normal hairBiotin
Maintenance of normal visionRiboflavin
Hormones and fertility3
Maternal tissue growth during pregnancyFolate
Normal synthesis of steroid hormones, vitamin D and neurotransmittersPantothenic acid
Regulation of hormonal activityVitamin B6
Metabolism and cells5
Role in cell divisionFolateVitamin B12
Normal amino acid synthesisFolate
Normal cysteine synthesisVitamin B6
Normal macronutrient metabolismBiotin
Normal protein and glycogen metabolismVitamin B6

Health claims authorised in the European Union (Regulation (EU) No 432/2012); shown only for substances whose dose in the product meets the claim's condition. A varied and balanced diet and a healthy lifestyle are important.

Read more: B vitaminsVitamin C

Composition & nutrition

Ingredients

Each capsule contains: 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 (as pyridoxine HCl and pyridoxal-5-phosphate) 50 mg, folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt, Quatrefolic) 400 µg DFE, vitamin B12 (as methylcobalamin) 1000 µg, biotin 600 µg, pantothenic acid (as d-calcium pantothenate) 100 mg. Other ingredients: hypromellose (vegetarian capsule), microcrystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.

Nutrition facts

Serving: 1 caps
Vitamin C (as ascorbic acid)40 mg50%
Thiamin (as thiamin HCl)60 mg5455%
Riboflavin (as riboflavin and riboflavin-5-phosphate)75 mg5357%
Niacin (as niacinamide and niacin)50 mg313%
Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate)50 mg3571%
Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt)(Quatrefolic)400 mcg DFE
Vitamin B12 (as methylcobalamin)1000 mcg40000%
Biotin600 mcg1200%
Pantothenic Acid (as d-calcium pantothenate)100 mg1667%

* RI — reference intake of an average adult. Vitamins and minerals are shown against the NRV.

Usage

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

Warnings and important information

Do not exceed the recommended daily dose. A food supplement is not a substitute for a varied and balanced diet and a healthy lifestyle. Keep out of the reach of children. Store in a cool, dry place away from direct sunlight. Consult a physician if you are hypersensitive to thiamin, niacin or vitamin B12. Discontinue use and consult a physician if an adverse reaction occurs.

Frequently asked questions

Is this product vegan?

Yes. The product is vegan and the capsule is made from hypromellose.

How long does one pack last?

A pack holds 60 capsules. At 1 capsule a day it lasts 60 days.

When should I take it?

Take the capsule with food.

What form of folate does it contain?

Quatrefolic, the glucosamine salt of (6S)-5-methyltetrahydrofolic acid, at 400 µg DFE per capsule.

Does it contain gluten or soy?

According to the supplier, the product is gluten-free and soy-free.

Technical details
Product code
PB-P36710
EAN / GTIN
753950005013
Gross weight
60 g
Manufacturer
Doctor's Best
Listed since
10/2026
Form
Capsules

Sold byFitbar Nutrition OÜ, Rävala pst 6, 10143 Tallinn, info@myfitbar.ee

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