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For limited time, enjoy 20% off Multivitamin Sensitive. While supplies last. Automatic discount applied at checkout.
For limited time, enjoy 20% off Multivitamin Sensitive. While supplies last. Automatic discount applied at checkout.

Vitamin B1 Supplements

Vitamin B1 is also known as thiamin. It is part of the B-complex family. It is a water-soluble vitamin that is essential for cellular energy.


You need thiamin for a healthy nervous system, healthy brain function, normal energy levels, healthy heart function, and general wellness. Thiamin is found in many foods and vitamin supplements, like legumes, fortified cereals, whole grains, and more.

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  • Seeking Health | B Complex Plus | Vitamins | Supplements
    Best Seller

    B Complex Plus

    4.9
    Rated 4.9 out of 5 stars
    328 Reviews
    From $27.95

    Key Benefits and Actions† Healthy energy production support Supports normal hormone balance and mood Supports healthy methylation and homocystei...

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  • Seeking Health | B Minus | Vitamins | Supplements

    B Minus

    4.8
    Rated 4.8 out of 5 stars
    212 Reviews
    From $27.95

    Key Benefits and Actions† Vitamin B complex free of B12 and folate Supports healthy energy production Supports healthy mood Who Needs B Minus ...

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  • Seeking Health | B Complex MF | Vitamins | Supplements

    B Complex MF

    4.5
    Rated 4.5 out of 5 stars
    70 Reviews
    From $27.95

    Key Benefits and Actions† Methyl-free vitamin B complex Supports healthy energy production Supports a healthy mood Who Needs B Complex MF Have...

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These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease.