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C4 Ultimate Shred Pre Workout, Thermogenic, Strawberry Watermelon, 20 Serv — Open-Box, 8% Off
Brand: C4
Condition: Used - Mint
$3684
$3999
-8% Save $315
Updated: 20 days ago
Description
TRI-STIM ENERGY: Have the energy to hit harder with our potent tri-stim blend of 300mg Caffeine + TeaCrine + Dynamine.
FAT-BURNING BOOST: Support fat loss and metabolic health with Cayenne Extract + CaloriBurn Grains of Paradise + MitoBurn + Oligonol.
UNRIVALLED PUMPS: Made with VELOX: a patented mix of L-Arginine + L-Citrulline for seriously satisfying pumps & performance.
AI-POWERED PEPTIDES: PeptiPump is an AI-powered designer peptide exclusively found in C4.
ENHANCED MENTAL FOCUS: Gain laser focus every workout with brain-boosting Tyrosine + Huperzine A + Caffeine.
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Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b07bvhvzkg
- Model:
- 2166536
- Country:
- US
- ASIN:
- B07BVHVZKG
- GTIN:
- 00842595105841
- UPC:
- 842595105841
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $3 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for C4 products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.









