Vitamin B6: study protocols
45 study groups say how much Vitamin B6 participants took a day. These are the doses the studies gave. They are not a recommendation.
Dose per serving from products
25,111 products in our catalogue print how much Vitamin B6 a serving holds.
Most common: 1 mg to 2.5 mg, 32% of 25,111 products.
| Dose per serving | Products |
|---|---|
| 500 mcg or less | 1,123 |
| 500 mcg to 1 mg | 2,100 |
| 1 mg to 2.5 mg | 7,975 |
| 2.5 mg to 5 mg | 4,223 |
| 5 mg to 10 mg | 3,628 |
| 10 mg to 25 mg | 2,993 |
| 25 mg to 50 mg | 1,866 |
| over 50 mg | 1,203 |
Dose per serving from research
45 study groups in 36 studies say how much Vitamin B6 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg, 31% of 45 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg or less | 2 |
| 1 mg to 2.5 mg | 4 |
| 2.5 mg to 5 mg | 6 |
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 7 |
| 25 mg to 50 mg | 14 |
| 50 mg to 100 mg | 7 |
| over 100 mg | 1 |
Commonly used together
37 of 45 study groups took Vitamin B6 with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin B12 | 35 |
| Folic Acid | 30 |
| Riboflavin | 7 |
| Vitamin C | 7 |
| Thiamine | 6 |
| Vitamin E | 6 |
| Iron | 4 |
| Vitamin D | 4 |
| Zinc | 4 |
| Vitamin A | 3 |
45 study groups
| Study | |||
|---|---|---|---|
| Folate and vitamin B6 rapidly normalize endothelial dysfunction in children with type 1 diabetes mellitus 2006 · Vitamin B6 · Children with type 1 diabetes mellitus; age and sex not specified | 100 mg | 8 weeks | — |
| High-dose Vitamin B6 supplementation reduces anxiety and strengthens visual surround suppression 2022 · Vitamin B6 group · Adults aged 18–58 years, mainly young students; no diagnosed condition specified | 100 mg | 5 weeks | — |
| Antiplatelet therapy and the effects of B vitamins in patients with previous stroke or transient ischaemic attack: a post-hoc subanalysis of VITATOPS, a randomised, placebo-controlled trial 2012 · B-vitamins group · Adults with a stroke or transient ischaemic attack within the previous 7 months; men and women, age not restricted | 25 mg | 1241 days | 4,040 |
| Folic acid, pyridoxine, and cyanocobalamin combination treatment and age-related macular degeneration in women: the Women's Antioxidant and Folic Acid Cardiovascular Study 2009 · folic acid/B6/B12 group · Women at high risk of cardiovascular disease, with preexisting cardiovascular disease or at least three coronary risk factors; women included in these AMD analyses had no AMD diagnosis at baseline. | 50 mg | 2665 days | 2,607 |
| Effect of combined folic acid, vitamin B6, and vitamin B12 on cancer risk in women: a randomized trial 2008 · combined folic acid/vitamin B6/vitamin B12 treatment · Women aged 40 years or older with a history of cardiovascular disease or at least three coronary risk factors | 50 mg | 2666 days | — |
| Homocysteine-lowering therapy and stroke risk, severity, and disability: additional findings from the HOPE 2 trial 2009 · vitamin therapy group · Adults with known cardiovascular disease | 50 mg | 5 years | — |
| Diclofenac plus B vitamins versus diclofenac monotherapy in lumbago: the DOLOR study 2009 · Group DB (combination therapy) · Adults with acute lumbago | 100 mg | 7 days | 187 |
| Pyridoxine for nausea and vomiting of pregnancy: a randomized, double-blind, placebo-controlled trial 1995 · pyridoxine hydrochloride · Pregnant women at 17 weeks' gestation or earlier with nausea and vomiting of pregnancy | 30 mg | 5 days | — |
| Effect of homocysteine-lowering therapy with folic acid, vitamin B12, and vitamin B6 on clinical outcome after percutaneous coronary intervention: the Swiss Heart study: a randomized controlled trial 2002 · homocysteine-lowering therapy · Patients with coronary artery disease after successful percutaneous coronary intervention; age and sex not specified | 10 mg | 26 weeks | 272 |
| Effectiveness of homocysteine lowering vitamins in prevention of thrombotic tendency at high altitude area: A randomized field trial 2015 · intervention · Indian soldiers freshly inducted to a high-altitude area | 3 mg | 2 years | — |