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10 Best mucinex 12 hour extendeds of 2026

Save up to 31% off
  • Best Choice

    1

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 100 Bi-Layer Tablets
    Mucinex
    9.7
    Exceptional

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 100 Bi-Layer Tablets

    • Active Ingredient:Guaifenesin
    • Dosage Form:Extended-release tablet
    • Duration:Up to 12 hours
    • Tablet Count:100
    • Dosage Strength:600 mg
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  • Value for Money

    2

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief for Adults, 48 Tablets
    Mucinex
    9.6
    Exceptional

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief for Adults, 48 Tablets

    • Active Ingredient:Guaifenesin
    • Dosage Form:N/A
    • Duration:Up to 12 hours
    • Tablet Count:N/A
    • Dosage Strength:N/A

  • 3

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets
    Mucinex
    9.4
    Excellent

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets

  • 4

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 80 Bi-Layer Tablets
    Mucinex
    9.2
    Excellent

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 80 Bi-Layer Tablets

    19% Off

  • 5

    guardian Mucus Relief 12 Hour (70 Count) Extended Release Guaifenesin, 1200mg Maximum Strength, Chest Congestion Expectorant Tablets (70 Count Bottle (Pack of 1))
    guardian
    9.0
    Excellent

    guardian Mucus Relief 12 Hour (70 Count) Extended Release Guaifenesin, 1200mg Maximum Strength, Chest Congestion Expectorant Tablets (70 Count Bottle (Pack of 1))

  • See Today’s Deals & Prices

  • 6

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 40 Bi-Layer Tablets
    Mucinex
    8.8
    Very Good

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 40 Bi-Layer Tablets

    31% Off

  • 7

    WELMATE Maximum Strength Mucus Relief DM 98 Tablets 1200mg Guaifenesin + 60mg Dextromethorphan HBr - 12-Hour Chest Congestion, Cough Suppressant - Extended-Release Bi-Layer Tablets for Adults
    WELMATE
    8.7
    Very Good

    WELMATE Maximum Strength Mucus Relief DM 98 Tablets 1200mg Guaifenesin + 60mg Dextromethorphan HBr - 12-Hour Chest Congestion, Cough Suppressant - Extended-Release Bi-Layer Tablets for Adults

  • 8

    Mucinex DM 12 Hr Max Strength Expectorant & Cough Suppressant Tablets, 42ct,
    Mucinex
    8.5
    Good

    Mucinex DM 12 Hr Max Strength Expectorant & Cough Suppressant Tablets, 42ct,

  • 9

    WELMATE - Mucus Relief - Guaifenesin 1200 mg Maximum Strength - Extended-Release Expectorant Tablets - Helps Clear Chest Congestion & Loosen Mucus - 12 Hour Relief - 100 Count
    WELMATE
    8.4
    Good

    WELMATE - Mucus Relief - Guaifenesin 1200 mg Maximum Strength - Extended-Release Expectorant Tablets - Helps Clear Chest Congestion & Loosen Mucus - 12 Hour Relief - 100 Count

  • 10

    WELMATE Mucus Relief Guaifenesin 600mg Expectorant, 200 Ct - Chest Congestion Relief, Cough and Cold - Thins and Loosens Mucus - Immediate & Extended 12 Hour Support - Extended-Release Bi-Layer
    WELMATE
    8.2
    Good

    WELMATE Mucus Relief Guaifenesin 600mg Expectorant, 200 Ct - Chest Congestion Relief, Cough and Cold - Thins and Loosens Mucus - Immediate & Extended 12 Hour Support - Extended-Release Bi-Layer

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