Skip to content
apiece

Home / Ingredients

VITAMINS

Thiamine (mononitrate)

Thiamine (vitamin B1) helps convert food into energy and supports normal nerve function.

Also known as: vitamin B1, thiamin, vitamin B-1, Thiamine mononitrate

At a glance

Form
Thiamine mononitrate
Category
Vitamins
In an apiece formula
25 mg a day (you can change it)
Recommended intake
1.1 mg (women), 1.2 mg (men)
Upper limit
No established UL
Studied for
Energy & vitality*
Reference
NIH ODS: Thiamin fact sheet

Who should be careful

Always check with your doctor or pharmacist before adding a supplement if you take medication, are pregnant or nursing, or have a health condition. Stay under the upper limit from all sources combined, including multivitamins.

From the Journal

Questions

How much thiamine a day?

apiece formulas usually include 25 mg a day. The recommended intake for adults is 1.1 mg (women), 1.2 mg (men). Upper limit: No established UL.

What is thiamine used for?

Thiamine (vitamin B1) helps convert food into energy and supports normal nerve function. In apiece it is part of formulas for Energy & vitality.*

Who should be careful with thiamine?

Most adults can take it at the usual amount, but check with your doctor or pharmacist if you take medication, are pregnant or nursing, or have a health condition.

Can I get thiamine in a personalized supplement?

Yes. apiece builds one daily blend around your goals and, if you have them, your lab results. Thiamine can be part of it at the amount listed, with every ingredient shown and never more than 10 capsules a day.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is general information, not medical advice. Check with your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or nursing, or have a health condition. Updated 2026-10-21.