100,000+ Happy Customers

$240+ of Premium Fitness Gear. Yours for $125.

Snacks, supplements & gear — curated every quarter

GET WOMEN'S BOX

GET MEN'S BOX

As seen in

All Products

Quarterly Gainz Box

From $124.95

Gainz Mystery Box

$150.00
Save 43%

Gainz Bottle 32Oz

Sale price$27.99Regular price $49.00 Save $21.01

Why 100,000+ Athletes Choose Gainz Box

$240+ Guaranteed Value

$240+ Guaranteed Value

Premium gear worth double your cost.

Custom Tailored for You

Custom Tailored for You

Custom boxes built for your size & gender.

Free US Shipping

Free US Shipping

Fast doorstep delivery

Zero Commitments

Zero Commitments

Pause or cancel anytime.

Three steps. One box. All results.

1
Subscribe

Subscribe

Pick your plan and check out in minutes. No complicated setup — just one simple quarterly subscription.

2
We build your box

We build your box

We hand-pick $240+ of premium snacks, supplements, and gear from top fitness brands — curated every quarter.

3
It arrives at your door

It arrives at your door

Unbox it, use it, love it — and do it all again next quarter. New gear, new drops, every time.

ABOUT GAINZBOX

Gainzbox started because we were tired of wasting money on supplements and gear that didn’t live up to the hype. We built what we couldn't find: A simple box filled with products we actually use ourselves.

Curated by Athletes: No random samples. Just gear we trust.

$240+ Guaranteed Value: Premium quality, without the retail markup.

Tailored to Your Profile: Custom-selected for your size.

Zero Gimmicks: 100% solid gear to keep you consistent.

SHOP NOW