Quick answer
Sports nutrition brands sell training stacks as KitForge fixed kits, attach shakers and samples via FBT on protein heroes, and tier powder tubs with quantity breaks for 30/60/90-day commitment positioning.
- Training stack fixed kits sell ritual outcomes.
- FBT adds shakers and samples on protein heroes.
- Quantity breaks mimic commitment without subscriptions.
- Compact preset for mobile-first sports shoppers.
New Year and resolution QB
January commitment tiers on protein pair with resolution marketing — schedule QB windows in KitForge for Q1.
Stack kits vs single heroes
Inline fixed kit on protein PDP shows full stack; FBT on same PDP hidden by coexistence — choose stack kit OR accessory FBT per PDP strategy.
Final recommendation
Sports nutrition bundles in KitForge combine stack fixed kits, accessory FBT, and commitment quantity breaks — flavor-aligned and mobile-optimized.
If you want this kind of offer to feel native to the buying journey, Kitforge Bundles is built around that exact problem: turning related Shopify products into clearer bundle offers before the shopper reaches checkout.
FAQ
Can stacks mix brands?
Single-brand stores only — marketplace-style multi-brand stacks need separate merchant context.
Sample packs in FBT or kit?
FBT for optional samples on hero; fixed kit for intentional sample assortment in trial kits.