Doctor's Best Fully Active B Complex with Quatrefolic, Doctor's Best, 30 capsule

Doctor's Best
111,10 RON 79,99 RON

Expiration Date: 07.2027

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Delivery date: 1-2 zile lucratoare

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Fully Active B Complex with Quatrefolic – Metabolic Energy, Balanced Nervous System, Proper Methylation and Cognitive Performance

 

Fully Active B Complex with Quatrefolic, Doctor’s Best, brings together the “active” and easily usable forms of B-complex vitamins, for broad-spectrum support: cellular energy, mental clarity, stress resilience, healthy skin/hair/nails and cardiovascular protection through efficient methylation.

 

The formula includes Quatrefolic® ((6S)-5-methyltetrahydrofolic acid, glucosamine salt) – the form of folate directly usable by the body –, vitamin B12 as methylcobalamin (1,000 mcg), vitamin B6 in the forms pyridoxine HCl + pyridoxal-5-phosphate (P-5-P), riboflavin + riboflavin-5-phosphate (R-5-P), niacinamide + niacin, thiamine HCl, pantothenic acid, biotin and a useful addition of vitamin C (40 mg) for the antioxidant network.

 

High dosages and active cofactors are designed to support the efficient conversion of nutrients into ATP, neurotransmitter synthesis, maintaining homocysteine within an optimal range and tissue integrity. The combination of active forms creates a complete platform for daily performance and well-being.

Detailed Benefits of Fully Active B Complex with Quatrefolic

Support for optimal cellular energy levels

Vitamins B-1, B-2 (R-5-P), B-3, B-5 and B-6 (P-5-P) act as pivotal coenzymes in glycolysis, the Krebs cycle and the respiratory chain, supporting the efficient conversion of nutrients into cellular energy.

✅ conversion of carbohydrates, fats and proteins into ATP
✅ stable daily tone and reduced feeling of fatigue
✅ metabolic output during demanding periods

🧠 Nervous system and cognitive performance

B-1 supports neuronal glucose utilization, B-6 (P-5-P) participates in the synthesis of GABA, serotonin and dopamine, while methylcobalamin B-12 supports myelination. This combination supports optimal nervous system function.

✅ concentration, working memory and mental clarity
✅ mood balance through properly synthesized neurotransmitters
✅ neurological comfort in an intense work rhythm

❤️ Methylation, homocysteine and cardiovascular health

The triad of active folate (Quatrefolic®) + methylcobalamin B-12 + B-6 (P-5-P) supports methylation cycles, processes important for maintaining homocysteine within physiological ranges and for cardiovascular balance.

✅ maintaining homocysteine within physiological ranges
✅ protection of the endothelium and circulation
✅ support for long-term cardiovascular balance

Antioxidant network with vitamin C

Vitamin C (40 mg) integrates into the antioxidant network and supports the regeneration of other antioxidants. It completes the formula with support for cellular protection, collagen and healthy connective tissue.

✅ protection of cells against oxidative stress
✅ collagen and healthy connective tissue
✅ complementary support for immunity

💇 Skin, hair and nails – beauty from within

Biotin (600 mcg), niacin and riboflavin support skin lipid metabolism and cellular renewal. Niacin, riboflavin and vitamin C support the epithelial barrier, while B-6 contributes to the metabolism of structural proteins.

✅ even and radiant-looking complexion
✅ resilient hair and strong nails
✅ integrity of the skin barrier against environmental factors

💪 Stress, resilience, sports and active lifestyle

B-5 (100 mg) and B-6 support the synthesis of stress hormones and neurotransmitter regulation. A complete B complex supports energy production, recovery and counteracting exercise-induced oxidative stress.

✅ adaptation to a fast-paced lifestyle
✅ performance in training and intellectual work
✅ resistance to long-term fatigue

Fully Active B Complex with Quatrefolic, Doctor’s Best, provides a modern nutritional architecture focused on bioactivity and results: energy you can feel, concentration, emotional balance, supported skin/hair/nails and cardiovascular protection through proper methylation. The combination of active forms (Quatrefolic®, methylcobalamin, P-5-P, R-5-P) with robust dosages and vitamin C creates a complete platform for daily performance and well-being.

Advantages

Quatrefolic® – directly usable active folate B12 methylcobalamin 1000 mcg Active forms P-5-P and R-5-P Supports energy, nerves and methylation With vitamin C for the antioxidant network
Nutritional Information
Serving Size: 1 vegetable capsule
Servings Per Container: 30
  Amount per serving % NRV
Vitamin C (as ascorbic acid) 40 mg 44%
Thiamine (as thiamine HCl) 60 mg 5000%
Riboflavin (as riboflavin and riboflavin-5-phosphate) 75 mg 5769%
Niacin (as niacinamide and niacin) 50 mg 313%
Vitamin B6 (from pyridoxine HCl and pyridoxal-5-phosphate) 50 mg 2941%
Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt) (Quatrefolic®) 400 mcg DFE 100%
Vitamin B12 (as methylcobalamin) 1000 mcg 41677%
Biotin 600 mcg 2000%
Pantothenic acid (as d-calcium pantothenate) 100 mg 2000%

Suggested Use

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

Advantages

Quatrefolic® – directly usable active folate B12 methylcobalamin 1000 mcg Active forms P-5-P and R-5-P Supports energy, nerves and methylation With vitamin C for the antioxidant network

Other Ingredients

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

Warnings

Do not exceed the recommended dose.
Consult a physician if you are hypersensitive to thiamine (vitamin B1), niacin and vitamin B12. Discontinue use and consult a physician if an adverse reaction occurs.
Keep out of reach of children.
Store in a cool, dry place.

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