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10 Best mucinex 12 hour extendeds of 2026

Save up to 38% 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 12Hr Max Strength Expectorant, Chest Congestion Relief, 48 Tablets
    Mucinex
    9.5
    Excellent

    Mucinex 12Hr Max Strength Expectorant, Chest Congestion Relief, 48 Tablets

    • Active Ingredient:Guaifenesin
    • Dosage Form:N/A
    • Duration:Up to 12 hours
    • Tablet Count:48 Tablets
    • 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
    9.3
    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, 20 Bi-Layer Tablets
    Mucinex
    9.0
    Excellent

    Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets

  • 5

    Mucinex DM 12Hr Max Strength Chest Congestion & Cough Medicine, 48 Tablets
    Mucinex
    8.7
    Very Good

    Mucinex DM 12Hr Max Strength Chest Congestion & Cough Medicine, 48 Tablets

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  • 6

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 14 Tablets
    Mucinex
    8.5
    Good

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 14 Tablets

  • 7

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 28 Tablets
    Mucinex
    8.3
    Good

    Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 28 Tablets

    30% Off

  • 8

    WELMATE Guaifenesin 1200 mg Mucus Relief, Maximum Strength, 100 Count
    WELMATE
    8.2
    Good

    WELMATE Guaifenesin 1200 mg Mucus Relief, Maximum Strength, 100 Count

    14% Off

  • 9

    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
    8.0
    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

    38% Off

  • 10

    Amazon Basic Care Mucus Relief DM, 12 Hour Chest Congestion & Cough Relief, Guaifenesin & Dextromethorphan Extended-Release Tablets, 600 mg/30 mg, 40 Count (Pack of 1) (Packaging may vary)
    Amazon Basic Care
    7.9
    Good

    Amazon Basic Care Mucus Relief DM, 12 Hour Chest Congestion & Cough Relief, Guaifenesin & Dextromethorphan Extended-Release Tablets, 600 mg/30 mg, 40 Count (Pack of 1) (Packaging may vary)