
Hero image 0 of Member's Mark 12-Hour Maximum Strength Chest Congestion Expectorant Tablets, 1200 mg Guaifenesin, 56 ct., 0 of 7
Member's Mark 12-Hour Maximum Strength Chest Congestion Expectorant Tablets, 1200 mg Guaifenesin, 56 ct.
Highlights
Specifications
- Expectorant and Cough Suppressant
- Controls Cough
- Thins & Loosens Mucus
- Extended and Immediate Release Bi-Layer Tablet
- Tamper Evident Packaging: Do not use if carton is open or if printed seal on blister is broken or missing.
This product is restricted in the following states:
AK,AZ,CA,CO,DE,FL,GA,KY,LA,MA,MI,NJ,NV,NY,OH,OR,PA,TN,TX,VA,WA,WI,WV
Experience the convenience of ordering curbside pickup or shopping in-club to complete your purchase
Current price is USD$14.98
Prices may vary in club and online
Shipping
Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Tomorrow
.Order within 13 hr 36 min
Return or replace anytime.

Limited time! Get a $60 statement credit when you open an account between 10/28-12/2 and use it to make $30 in eligible Sam’s Club purchases within 30 days¹
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Mucinex 12-Hour Maximum Strength Chest Congestion Expectorant Tablets, 1200 mg Guaifenesin 56 ct.
4.8294 out of 5 Stars. 932 reviews
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Member ratings & reviews
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Showing 1-3 of 46 reviews
Oct 14, 2026
Reviewer name: Mr Bill
5 out of 5 stars review
Verified Purchase
Mucus relief
Helpful?
Oct 9, 2026
Reviewer name: PeggySue
5 out of 5 stars review
Verified Purchase
Mucus relief
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Apr 19, 2026
Reviewer name: Ann
5 out of 5 stars review
Verified Purchase
Just what I need!
Helpful?
Current price is USD$14.98
Prices may vary in club and online
Shipping
Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Tomorrow
.Order within 13 hr 36 min
Return or replace anytime.






















