18 Box Flex Plan
18 boxes of your choice – delivered your way (maximum of 6 shipments)
Clean, high-performance fuel delivered on your schedule. Choose from our full range of Zentein products — Super Chocolate, Protein Bars, Elite Squares — and get 18 boxes shipped when and how you want them.
✅ What’s Included:
18 boxes total of your choice
1 box equals
12 Elite Squares or
12 Strawberry Blondie Protein Bars or
12 Peanut Butter Cup Protein Bars or
3 Super Chocolate Bars
Choose from any Zentein product: bars, chocolate, or squares
Up to 6 free shipments — one per month if you prefer
Fully customizable delivery schedule — ie. get them all at once, in 3 shipments, or monthly
📦 Delivery, Your Way:
After checkout, we’ll email you to confirm your preferred delivery date(s)
You can choose to:
Receive 3 boxes per month for 6 months
Split your order into larger, less frequent shipments
Receive all 18 boxes at once (great for teams, offices, or bulk storage)
Each shipment, we’ll remind you to select your products — or pre-set them for convenience
Need to pause, add more, or adjust timing? Just email us anytime — we make it easy
🟢 Ideal for:
Athletes or families stocking up
Gyms, wellness teams, or corporate wellness programs
Customers looking for clean, consistent energy — and to access some savings and peace of mind