Vitamin B1 (Thiamine)Updated 2 days ago

Why does Vitals⁺ include Vitamin B1?

Vitamin B1, also known as thiamine, is a crucial nutrient for both energy metabolism and nervous system support. It’s essential for helping your body convert food into energy—and it plays a key role in keeping your brain, heart, and psychological function in balance.

Vitals⁺ contains 30mg of Vitamin B1, included as thiamine hydrochloride—a well-researched, highly stable form that your body can absorb and use effectively. That’s 2727% of the NRV—a purposefully generous dose designed to go well beyond the basics.

🤔 What does Vitamin B1 actually do?

Thiamine supports many of the systems that help you feel energised and resilient. It:

• Supports normal energy production, helping turn food into usable fuel

• Contributes to healthy psychological function

• Supports the heart and nervous system, especially under stress

It’s also particularly beneficial for plant-based diets, as most natural sources of B1 are animal-based—so people following vegan or low-meat lifestyles may be more at risk of not getting enough.

🤔 Why that dose—and why thiamine hydrochloride?

The human body can store approximately 30mg of thiamine and this can run out quickly when intake is low. So we include this specific dose in Vitals+ to optimise levels and because there is no upper limit to thiamine intake due to the lack of reports of adverse effects from even high thiamine doses (greater than 50mg/d). And we use thiamine hydrochloride, a widely used and reliable form of B1 that’s been studied for decades.  

🔎 Want to learn more?

This independent study explores why thiamine deficiency may be more common than expected—even in food-secure countries—and how it can impact brain, heart, and metabolic health.