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B12 Promo Codes & Coupons September 2025

Rating: 4.9 / 5

  • Top pick

    50% off

    code
    Verified

  • 1 Dollar Per Month

    code
    Verified

  • 1 Dollar for the First 3 Months

    code
    Verified

  • Free for 2 Month

    code
    Not verified

  • $3 off

    code
    Not verified

  • $50 off

    code
    Not verified

  • One Dollar Free First Month

    code
    Not verified

  • 15% off

    code
    Not verified

  • 50% off

    code
    Not verified

  • $50 off

    code
    Not verified

  • $50 off

    code
    Not verified

  • 30% off

    code
    Not verified

The B12 FAQs

How do I use my B12 coupons?

To apply the coupon, click the 'show code' button next to the code on this page, and paste it into the 'discount code or gift card' box at the checkout and click 'apply'.

How many coupon codes are currently available for B12?

At the moment, there are a total of 10 active coupon codes that can be used on the B12 website.

Can I Use Multiple B12 Coupon Codes at Once?

B12 does not permit the use of multiple coupon codes simultaneously, a practice known as 'coupon stacking.' Since only one discount code can be redeemed per transaction, we suggest finding the best B12 offer available. Usually, that promo code will apply to sale items, allowing you to maximize your savings even with a single B12 coupon code.

What payment options are available at B12?

B12 accepts all major credit and debit cards, PayPal, and digital wallets.

Why didn't my coupon code work?

Your coupon code might not work for several reasons: - It may not apply to the items in your cart. - It may only be valid for first-time purchases. - It may have expired.