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Niacin and Thiamine: study protocols

5 study groups took Niacin together with Thiamine. These are the doses the studies gave. They are not a recommendation.

Niacin: what the research found →

Dose per serving from research: Niacin

5 study groups in 5 studies say how much Niacin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 10 mg to 25 mg, 60% of 5 study groups.

Daily doseStudy groups
10 mg to 25 mg
3
25 mg to 50 mg
2

Dose per serving from research: Thiamine

5 study groups in 5 studies say how much Thiamine participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 1 mg to 2.5 mg, 60% of 5 study groups.

Daily doseStudy groups
1 mg to 2.5 mg
3
2.5 mg to 5 mg
0
5 mg to 10 mg
1
10 mg to 25 mg
0
25 mg to 50 mg
1

Commonly used together

5 of 5 study groups took Niacin and Thiamine with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Riboflavin
4
Vitamin B12
3
Vitamin B6
3
Vitamin E
3
Zinc
3

5 study groups

Study
Effects of multimicronutrient supplementation on helminth reinfection: a randomized, controlled trial in Kenyan schoolchildren
2003 · multimicronutrient supplementation · Schoolchildren in Nyanza Province, Kenya; age and sex not specified
16 mg1.4 mg335 days—
Effects of maternal micronutrient supplementation on fetal loss and infant mortality: a cluster-randomized trial in Nepal
2003 · Multiple micronutrients · Pregnant women in rural Nepal
20 mg1.6 mg——
Efficacy and Safety of the Combination of Palmitoylethanolamide, Superoxide Dismutase, Alpha Lipoic Acid, Vitamins B12, B1, B6, E, Mg, Zn and Nicotinamide for 6 Months in People with Diabetic Neuropathy
2024 · 10-element combination tablet · Overweight or obese adults with type 2 diabetes and mild-to-moderate painful diabetic neuropathy; mean age 63 years
18 mg2.2 mg26 weeks36
Effects of vitamin-B complex supplementation on periodontal wound healing
2005 · Vit-B · Adults with generalized moderate to severe chronic periodontitis undergoing access flap surgery; ages not reported; 13 males and 17 females enrolled across the study
50 mg50 mg30 days—
Effects of supplementation with low-dose group B vitamins on clinical and biochemical parameters in critically ill patients with COVID-19: a randomized clinical trial
2024 · intervention group · Critically ill patients with COVID-19
40 mg10 mg2 weeks40
Niacin and Thiamine: study protocols | supp.fit