How to use Vitamin B6 supplements?

10/03/2025

Vitamin B6 (also known as pyridoxine) – A water-soluble vitamin in the B group. When lacking Vitamin B6, the body may experience some conditions such as: poor absorption, weakened immune system, depression... The body cannot synthesize this type of Vitamin and needs to supplement it from the outside. Taking Vitamin B6 supplements is the fastest way to help meet the body's needs for this Vitamin.

However, experts also warn that using too much Vitamin B6 or taking it without prescription will cause problems: Lack of muscle control or coordination, sensitivity to sunlight, reduced ability to feel pain... Therefore, in this article, NanoFrance will guide you on how to use this product line safely and achieve the highest efficiency!

Vitamin B6 Supplement

I. Some effects of Vitamin B6

What are the effects of Vitamin B6? Here are some of the outstanding effects of Vitamin B6:

→ Support: nutrient metabolism, treatment of heart disease, stroke...

→ Reduces the severity of morning sickness during pregnancy

→ Relieves premenstrual symptoms (PMS)

→ Plays an important role in the synthesis of Serotonin and many other neurotransmitters

→ Participates in the synthesis of hemoglobin (an important component of blood), supporting the treatment of hereditary anemia

→ Increase resistance for the immune system

→ Helps reduce the risk of kidney stones by increasing oxalate excretion

On the contrary, a lack of Vitamin B6 can also cause health problems in the body. In particular, if pregnant mothers are deficient in Vitamin B6 during pregnancy, it can cause many health problems for the baby.

Vitamin B6 Supplement

The role of this vitamin for young children is also emphasized by experts. Lack of Vitamin B6 can affect brain development, causing children to be more startled, sensitive to light, often irritable, and crying...

II. How to take Vitamin B6 supplements?

The dosage of Vitamin B6 supplements for adults and children is quite different. Specifically:

1. Dosage of Vitamin B6 supplements for children

Year old Daily dosage
Children 1-3 years old 30mg
Children 4-8 years old 40mg
Children 9-13 years old 60mg
Newborn 0-6 months 0.1mg
Infants 7-12 months 0.3mg

 

Vitamin B6 dosage for children

2. How should adults take Vitamin B6? – Expert opinion

The recommended daily dose of Vitamin B6 for adults is about 1.3 mg. However, depending on the body type, the above number may vary:

For people with Sideroblastic anemia

This is a condition in which the body produces abnormal red blood cells that accumulate iron. The initial dose of Vitamin B6 required is 200-600 mg. The dose is reduced to 30-50 mg per day after adequate response.

How to take functional foods containing Vitamin B6 for people with morning sickness

Doctors have specific instructions on how to use Vitamin B6 supplements for people with morning sickness as follows:

  • Daily dose: 10-25mg
  • Dosage: 3-4 times/day

Pregnant women can use products containing Vitamin B6, Vitamin B12, calcium... to supplement adequate nutrients.

Pregnant women supplement Vitamin B6

People with Vitamin B6 deficiency

The usual dosage for people with Vitamin B6 deficiency is about 2.5-25mg/day. After the first 3 weeks of using the above dosage, it can be reduced to 1.5-2.5mg/day. For women using birth control pills, the dosage is about 25-30mg/day.

People with premenstrual syndrome

For people with PMS (premenstrual syndrome) use about 50-100mg of Vitamin B6/day.

Note: Do not abuse Vitamin B6, only use the dosage within the allowed range.

Vitamin B6 dosage

III. Warning: Vitamin B6 may interact with certain medications!

Mayoclinic.org and Webmd.com warn that Vitamin B6 supplements may interact with certain medications, including:

→ Altretamine (Hexalen): Using Vitamin B6 with this chemotherapy drug might decrease its effectiveness, especially when combined with the chemotherapy drug cisplatin.

→ Barbiturates: Taking vitamin B6 with a drug that acts as a central nervous system depressant (barbiturate) may decrease the duration and intensity of the drug.

→ Anticonvulsants: Vitamin B6 combined with fosphenytoin (Ceritherx) or phenytoin (Dilantin, Phenytek) may decrease the duration and intensity of the medication.

→ Levodopa: Avoid taking Vitamin B6 with this medication used to treat Parkinson's disease. Vitamin B6 may decrease the effectiveness of the medication.

Must take Vitamin B6 supplements in the correct dosage

Use Vitamin B6 supplements scientifically and intelligently to protect your own health! Don't forget to regularly follow NanoFrance's website to update more knowledge about the latest medicine and pharmacy!