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Vitamin B

Vitamins are organic compounds that are essential for the proper functioning of the body. B vitamins are among the most diverse representatives of these micronutrients. They are water-soluble and dissolve in water upon entering the body.

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The supplement is a complete B vitamin with four methylated B vitamins and four dietary B vitamins to ensure complete absorption. Contains L-methionine, a precursor to glutathione, the body's own antioxidant, and taurine, which provides nutritional value for the heart, liver and detoxificat..
95.00€
Ex Tax:76.61€
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By: Solgar
An active form of folic acid that is ready for use by the body without additional transformation. This is especially important for people who have difficulty metabolizing regular folic acid. The active folate in this formula promotes heart health. It also supports a healthy nervous system and t..
30.90€
Ex Tax:24.92€
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A liquid food supplement containing a complex of B vitamins. Recommended for maintaining overall well-being, normalizing metabolism and the functioning of the nervous system. The product contains high-quality B vitamins, which the body needs to produce energy, support the functioning of the ner..
18.60€
Ex Tax:15.00€
NADH 10 mg 30 vegan capsules
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NADH (reduced nicotinamide adenine dinucleotide) is a coenzyme that plays a key role in energy metabolism and is a derivative of vitamin B3 (niacin). It is involved in cellular respiration processes, helping the body produce energy needed for the brain, muscles, and other organs.Promotes..
17.50€
Ex Tax:14.11€
Choline + Inositol 90 tablets
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OstroVit Choline + Inositol Choline and inositol are B vitamins.Choline is present in virtually all living tissues and is essential for normal synaptic transmission. Inositol is included in the formula due to its synergistic action - together with choline, it helps the liver metab..
7.90€
Ex Tax:6.37€
BCAA+B6 100tabs
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Amino acid (BCAA) tablets 2: 1: 1, enriched with vitamin B6BCAA + B6 contains 2: 1: 1 amino acids such as leucine, isoleucine and valine. In addition, vitamin B6 has been added, which promotes normal protein and glycogen metabolism and reduces fatigue. Like all BioTech USA products, BCAA + B6 co..
14.50€
Ex Tax:11.69€
Choline & Inositol 100 vegan capsules
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Choline Bitartrate is a high-quality food supplement containing choline bitartrate, which decreases the levels of fat and bad cholesterol, increases the energy, and improves brain activity.Benefits:Reduces body fat Decreases cholesterol level Stimulates strength and energy Enha..
12.50€
Ex Tax:10.08€
ZMB6 60caps
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Intense exercise, malnutrition, and environmental factors can all increase your deficiency of essential minerals and vitamins, including zinc, magnesium, and vitamin B6. This combination of ZMA helps to combat these deficiencies while promoting anabolic hormone levels, results, recovery and sle..
11.90€
Ex Tax:9.60€
Vitamin B Complex 90 tablets
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By: FITS
This complex is good for amateurs and professionalsAs a rule, such complexes as this one are used to replenish the supply of vitamins in the human body. The solution of such problems with the use of a special diet regime doesn’t provide an accurate dosage of nutrients. Moreover, sometimes it is nece..
12.00€
Ex Tax:9.68€
Biotin 10.000 Max 60 capsules
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OstroVit Biotin 10.000 MAX is a dietary supplement that can help you take care of your look and mental capability. A high dose of the active ingredient in the form of D-biotin is characterized by very good bioavailability.Why is it worth using biotin?Biotin, also known as vitamin B7 or vitam..
7.50€
Ex Tax:6.05€
BCAA+B6 200tabs
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Amino acid (BCAA) tablets 2: 1: 1, enriched with vitamin B6BCAA + B6 contains 2: 1: 1 amino acids such as leucine, isoleucine and valine. In addition, vitamin B6 has been added to promote normal protein and glycogen metabolism and reduce fatigue. Like all BioTech USA products, BCAA + B..
27.50€
Ex Tax:22.18€
B-Complex 60tabs
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Food supplement + antioxidants + plant ingredientsA balanced B-vitamin complex that offers 8 main B vitamins along with other vitamins, minerals, antioxidants and plant ingredients.B vitamins are necessary for the digestion and energy creation of carbohydrates. Vitamin B1 plays a role in..
15.90€
Ex Tax:12.82€
Biotin Maximum Strength 10000 mcg 100 tablets
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100% Biotin Maximum Strength 100 Tablets!May helps support skin health: it may have great influence on the skin condition May helps to boost energy levels: it plays an important role in the energy production Has positive effect on the hair and nails: it has influence on the..
11.00€
Ex Tax:8.87€
Biotin VEGE 90 capsules
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OstroVit Biotin VEGE is a diet vegan capsules implementation containing biotin. Biotin helps maintain healthy hair and skin. It contributes to maintaining normal metabolism of macronutrients and helps in the proper functioning of our nervous system.  OstroVit Biotin VEGE is recommended for adu..
6.10€
Ex Tax:4.92€
Vitamin B12 Methylcobalamin 200 tablets
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OstroVit Vitamin B12 Methylcobalamin is a dietary supplement from a professional line of vitamins. The product is intended for all those who wish to supplement their daily diet with vitamin B12. Are you looking for an easy-to-dose supplement which can take care of your vascular system and raise immu..
7.60€
Ex Tax:6.13€
Magnesium + Ashwagandha + B6(P-5-P) 100 capsules
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Why magnesium + ashwagandha + B6(p-5-p)?Magnesium supports the proper functioning of the nervous system Magnesium is essential for the proper functioning of the skeletal system Ashwagandha helps reduce stress Ashwagandha improves sleep quality Vitamin b6 helps maintain proper psycholo..
13.90€
Ex Tax:11.21€
Niacin 200 tablets
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OstroVit Niacin Niacin is a dietary supplement which contains niacin, that is vitamin B3, required for proper operation of your organism. See its properties and use, and take comprehensive care of your health!What is NIACIN? Niacin is a modern dietary supplement which includes an easil..
7.90€
Ex Tax:6.37€
Vit.B Complex - group B vitamins - 60 capsules
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Trec Nutrition -Vit.B complex- combination of group B vitaminsThiamine, vit. B6, vit. B2 and vit. B12a composition of micronutrients in form of capsules concentrated B-complex vitamin formulaVit.B complex is a composition of micronutrients important for the metabolism of active ..
5.80€
Ex Tax:4.68€
Riboflavin Vitamin B-2 100 mg 100 capsules
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By: Swanson
To keep your body in A-1 condition, you need a good daily supply of vitamin B2! Although it's known as vitamin B2, riboflavin is second to none in importance for good health. Best known for its crucial roles in thyroid function and energy metabolism, it's also essential for healthy vision. O..
12.20€
Ex Tax:9.84€
Niacin 500 mg TR 250 tablets
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NOW Niacin 500 mg TR 250 Tabs is a nutritional supplement containing niacin. Niacin (vitamin B-3) is an essential B vitamin essential for good health.Benefits of taking Niacin:increases the level of good cholesterol relieves arthritic pain and stiffness heals heart disease improves..
28.60€
Ex Tax:23.06€
Max Mag + Potas Shot 80 ml
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Max Mag + Potas Shot is a dietary supplement conducive to physically active people.  Intended for adult users. It is characterized by a proven composition, rich health-promoting properties and easy assimilation.  The product is available in a handy 80 ml package. It can be used both..
1.50€
Ex Tax:1.21€
Vitamin B12 100 mcg 30 ml
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By: NorVita
A necessary vitamin that gives you peace of mind, brings mental balance and gives you energy!Vitamin B12 is primarily necessary for the functioning of the nervous system and psychological functions, the formation of red blood cells and the normal functioning of the immune system. By the way..
19.90€
Ex Tax:16.05€
Vitamin B-12 500 mcg 100 capsules
Out Of Stock
By: Swanson
Swanson Vitamin B-12 is an essential vitamin for overall health and well-being. It is best known for producing energy in the body and plays a vital role in the formation of the red blood cells that deliver oxygen to all parts of the body. It also works with vitamin B-6 and folic acid to help promote..
7.90€
Ex Tax:6.37€
Magnesium B6 Forte 90 tablets
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Magnesium B6 Forte   is a product containing magnesium and vitamin B6. Designed for adults, including physically active ones. The use of the product is recommended during periods of intense physical activity, therefore we recommend it to all athletes. Magnesium c..
9.90€
Ex Tax:7.98€
Ah-mazing Hair Vitamins, Sugarfree, 60 pcs
Out Of Stock
BearsWithBenefits Ah-mazing hair vitamins, sugarfreeNovel and highly effective sugar-free hair growth vitamins that make even the most stubborn and not viable hair grow and reduce hair loss. You will see the results in the first few weeksBearsWithBenefits is a series of beauty vitamins that ..
26.96€
Ex Tax:21.74€
Bioactive complex of vitamins group B 90 capsules
Out Of Stock
By: Ecosh
BIOACTIVE B-COMPLEX in optimal doses and quickly reaching the body. B vitamins are involved in most of the body's metabolic processes. B vitamins contribute to the production of cellular energy, the reduction of fatigue and exhaustion, the communication between nerve cells (memory, foc..
26.00€
Ex Tax:20.97€
P-5-P 40 mg 90 tablets
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Haya Labs Pyridoxal-5-phosphateStrong antioxidant, may help boost the immune system, may help focus and concentration.May help support focus and concentration: due to it many health properties, it could help brain function. May help boost the immune system: due to it many beneficial pro..
12.00€
Ex Tax:9.68€
BCAA 4:1:1 with Glutamine and Vitamin B6 300 capsules
Out Of Stock
By: FITS
BCAA is a combination of three amino acids that are crucial for the organism: leucine, isoleucine, and valine. Sports supplements with amino acids are highly essential due to the fact that the body cannot synthesize them on its own. They increase the effectiveness of training, promote both muscle gr..
25.31€
Ex Tax:20.41€
Magnesium Potassium + B6 SHOT 20 x 80 ml
-24% Out Of Stock
OstroVit Magnesium Potassium + B6 SHOT 80 ml is a liquid food supplement. Contains sweeteners. Non-carbonated drink containing magnesium (375 mg / 80 ml), with the addition of potassium and vitamin B6. OstroVit Magnesium Potassium + B6 SHOT 80 ml is a supplement intended for people who have an incre..
32.00€ 42.00€
Ex Tax:25.81€
Vitamin B6 P-5-P 60 capsules
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Vitamin B6 P-5-P is a high-quality supplement containing the active form of vitamin B6, pyridoxal-5-phosphate. This supplement, presented in easy-to-swallow capsules, is ideal for those who want to enrich their diet with this important micronutrient. Vitamin B6, or pyridoxine, is a water-solubl..
5.90€
Ex Tax:4.76€
PQQ Pyrroloquinoline quinone 20 mg 30 capsules
Out Of Stock
By: Swanson
24 hours a day, 7 days a week, cellular rejuvenation is now closer to you with this product by Dr. Derrick DeSilva Pyrroloquinoline quinone in new veggie capsules of 10 mg each. The benefits of PQQ (pyrroloquinoline quinone) are mainly related to how it affects cellular mitochondria, the energy..
16.99€
Ex Tax:13.70€
Inositol + B6 (P-5-P) 100 capsules
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This is a capsule dietary supplement containing inositol in two forms: myo-inositol and d-chiro-inositol, with additional support of vitamin B6.  Inositol, also known as vitamin B8, is an organic chemical compound from the B vitamin group. It is found naturally in the human body and plays ..
16.90€
Ex Tax:13.63€
Pharma Methyl B-Complex KIDS drops 30 ml
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A dietary supplement developed taking into account the needs of the little ones and representing a source of the most easily absorbed forms of B vitamins. This is a product of the elite OstroVit Pharma line, produced in an easy-to-take form that allows you to select a portion in accordance with..
5.90€
Ex Tax:4.76€
Choline + Inositol + B6 (P-5-P) 100 capsules
Out Of Stock
This is a capsule dietary supplement containing inositol in two forms: myo-inositol and d-chiro-inositol, with additional support of choline and vitamin B6. Inositol, also known as vitamin B8, is an organic chemical compound from the B vitamin group. It is found naturally in the human body and ..
16.90€
Ex Tax:13.63€
Aqua Magnesium 100 mg + B6 10 mg N42
Out Of Stock
Magnesium of natural origin extracted from seawater (Mediterranean and Dead Sea origin) together with vitamin B6.1 package lasts for 6 weeks! Magnesium helps reduce fatigue and exhaustion. Magnesium contributes to electrolyte balance and normal muscle function. Magnesium and vitamin ..
6.90€
Ex Tax:5.56€
Pharma Magnesium Citrate + Potassium + B6 P-5-P 60 capsules
Out Of Stock
Magnesium Citrate + Potassium + B6 P-5-P is a high-quality biologically active supplement from the premium line of OstroVit Pharma. The supplement combines key microelements: magnesium, potassium and the active form of vitamin B6 (P-5-P), which are necessary for maintaining health and general w..
4.90€
Ex Tax:3.95€
Inositol 200 g
Out Of Stock
A high-quality dietary supplement that is a source of myo-inositol, a vitamin-like compound that supports health at the cellular level. Inositol was previously considered part of the B vitamin complex (B8), but modern research shows that it can be produced in the human body and plays an importa..
14.90€
Ex Tax:12.02€
B-Complex 60 capsules
Out Of Stock
B-Complex is much more than just a B vitamin complex, as it also contains minerals, additional vitamins and special herbal extracts.  Vitamins are essential for carbohydrate metabolism and energy production. The supplement consists of a B vitamin complex and ginseng, bioflavonoids and guar..
16.90€
Ex Tax:13.63€
Methyl B12 10000 mcg 60 lozenges
Out Of Stock
NOW® Methyl B-12 10 000 mcgExtra Strength Essential for Energy Production MethylcobalaminVitamin B-12 is necessary for the production of energy from fats and proteins and is well known for its critical role in DNA synthesis, as well as in homocysteine metabolism.  Met..
31.90€
Ex Tax:25.73€
Magnesium & B6 Shot 80 ml
Out Of Stock
Daily dose of magnesium and vitamin B6 Enriched with potassium Supports hormonal, cardiovascular and nervous system health Contributes to bone and dental health Promotes muscle function and recoveryMagnesium & B6 shot provides full 100% of the recommended daily intake of magnesium ..
1.80€
Ex Tax:1.45€
Showing 121 to 160 of 181 (5 Pages)

B Vitamins and Their Role in the Body

B vitamins are involved in the regulation of almost all systems. If you have any health issues, there is a high chance you are deficient in one of the B vitamins.

  • Vitamin B1 (thiamine): Participates in carbohydrate metabolism and helps the body convert food into fuel. It is also important for the normal functioning of the nervous system.
  • Vitamin B2 (riboflavin): Helps produce a coenzyme involved in cellular respiration. It is important for healthy skin, eyes, and the nervous system.
  • Vitamin B3 (niacin): Participates in the metabolism of fats, proteins, and carbohydrates. Helps reduce bad cholesterol in the blood.
  • Vitamin B5 (pantothenic acid): Participates in the synthesis of fats, proteins, and hormones. Helps the body convert food into energy.
  • Vitamin B6 (pyridoxine): Essential for normal brain and nervous system function. Participates in the metabolism of amino acids and haemoglobin production.
  • Vitamin B7 (biotin): Important for healthy skin, hair, and nails. Participates in the metabolism of fats and carbohydrates.
  • Vitamin B9 (folic acid): Essential for the formation of DNA and RNA, which is important for cell division and tissue growth. Particularly important during pregnancy.
  • Vitamin B12 (cobalamin): Participates in the formation of red blood cells and supports the health of the nervous system.

Vitamin B Daily Requirements

Our bodies need vitamins every day. Daily vitamin intake is measured in milligrams and shows how much substance is required depending on age and sex.

Adults

9-13 years

14-18 years

19-70 years

70+ years

M

F

М

F

М

F

М

F

B1

0,9

1,2

1

1,2

1,1

1,2

1,1

B2

0,9

1,3

1

1,3

1,3

B3

12

16

14

16

14

16

14

B5

3,5

5

4

5

5

5

5

B6

1

1,3

1,2

1,3

1,3

1,7

1,5

B7

0,0025

0,005

B9

0,3

0,4

0,4

0,4

B12

0,0018

0,0024

0,0024

0,0024

Childres

0-6 months

7-12 months

1-3 years

4-8 years

B1

0,2

0,3

0,5

0,6

B2

0,3

0,4

0,6

0,6

B3

2

4

6

8

B5

1,5

2

2,5

3

B6

0,1

0,3

0,5

0,6

B7

0,001

0,0015

B9

65

80

150

200

B12

0,4

0,5

0,9

1,2

The daily requirement increases during pregnancy and lactation, which is especially relevant for folate. Women need 0.6 mg of folate during pregnancy and 0.5 mg during breastfeeding.

Vitamin B Deficiency

Each group of B vitamins has its own unique functions in the body, and a deficiency can lead to various symptoms. Here are the main symptoms of each deficiency:

Vitamin B1 (thiamine) deficiency:

  • Weakness and fatigue
  • Loss of appetite
  • Digestive disorders
  • Insomnia
  • Nervous system problems, including insomnia and irritability

Vitamin B2 (riboflavin) deficiency:

  • Inflammation and irritation of mucous membranes (especially around the mouth and eyes)
  • Chapped lips
  • Skin rashes
  • Headache

Vitamin B3 (niacin) deficiency:

  • Pellagra (a skin disease characterized by rashes, dryness and flaking of the skin)
  • Diarrhea
  • Weakness and fatigue
  • Insomnia
  • Digestive problems

Vitamin B5 (pantothenic acid) deficiency:

  • Fatigue
  • Insomnia
  • Loss of appetite
  • Abdominal pain
  • Depression

Vitamin B6 (pyridoxine) deficiency:

  • Anaemia
  • Skin inflammation
  • Cramps and numbness in the arms and legs
  • Nervous system disorders, including depression and insomnia

Vitamin B7 (biotin) deficiency:

  • Poor skin, hair, and nails condition
  • Dermatitis
  • Weakness and fatigue
  • Loss of appetite

Vitamin B9 (folic acid) deficiency:

  • Anaemia
  • Digestive problems
  • Deterioration of immunity
  • Risk for pregnant women: birth defects

Vitamin B12 (cobalamin) deficiency:

  • Anaemia
  • Weakness and fatigue
  • Insomnia
  • Memory and concentration problems
  • Tingling and numbness in the arms and legs

Vitamin B Overdose

An overdose of B vitamins, just like any other vitamin, can be dangerous and cause a variety of undesirable consequences. Here are some common risks and symptoms of a B vitamin overdose:

  • Symptoms of poisoning: Uncontrolled intake of large doses of B vitamins can cause symptoms of poisoning such as nausea, vomiting, abdominal pain, headaches, and diarrhoea.
  • Increased risk of allergic reactions: An overdose of B vitamins may increase the risk of allergic reactions such as skin rashes, itching, swelling, etc.
  • Nerve symptoms: High doses of vitamin B6 (pyridoxine) can cause nerve symptoms, including numbness, tingling, and cramps.
  • Masking of other problems: Prolonged consumption of large doses of B vitamins might disguise other medical conditions since some symptoms of overdose may resemble symptoms of other diseases.
  • Liver problems: Large doses of certain B vitamins, such as niacin (vitamin B3), can have negative effects on the liver.

To avoid overdosing on B vitamins, you should follow the recommended dosage indicated on the supplement packaging or your doctor's recommendations if you are taking B vitamins for medical reasons.

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