Lose Weight

InstaCUT® Fat Burner
InstaCUT® Fat Burner
Before-and-after fitness transformation of Brian Shaw, featuring two photos of him shirtless showing weight loss progress from 5/4/26 - 387 lbs to 7/22/26 - 342 lbs. A red box of InstaCut Rapid Fat Loss Muscle Maintenance supplement is shown in the foreground, with text reading CUT 45 LBS - IN 11 WEEKS and Brian Shaw 4X World's Strongest Man.

InstaCUT® Fat Burner

(22)

$42.99

PRO-VIT VITAMIN PACKS made by Undefined Nutrition - Brian Shaw
Brian Shaw holding a bag of Pro-Vit Vitamin Packs
Keri Shaw holding a bag of Pro-Vit Vitamin Packs

PRO-VIT VITAMIN PACK

(33)

$44.99

100% GREENS Powder by Undefined Nutrition packaging - front view
Brian Shaw wearing a black 'Undefined Nutrition' t-shirt with nutritional supplements on a kitchen counter.
Keri Shaw holding a protein shaker and container in a kitchen setting

100% GREENS Powder

(18)

$35.99

Persist Whey Protein Isolate - Chocolate Peanut Butter flavor nutritional supplement made by Undefined Nutrition - Brian Shaw

PERSIST | WHEY PROTEIN ISOLATE – Chocolate Peanut Butter

(143)

$59.99

Persist Whey Protein Isolate - Chocolate Brownie flavor nutritional supplement made by Undefined Nutrition - Brian Shaw

PERSIST | WHEY PROTEIN ISOLATE – Chocolate Brownie

(143)

$59.99

Persist Whey Protein Isolate - Coffee Ice Cream flavor nutritional supplement made by Undefined Nutrition - Brian Shaw

PERSIST | WHEY PROTEIN ISOLATE – Coffee Ice Cream

(143)

$59.99

Persist Whey Protein Isolate - Strawberries N' Cream flavor nutritional supplement made by Undefined Nutrition - Brian Shaw

PERSIST | WHEY PROTEIN ISOLATE – Strawberries N' Cream

(143)

$59.99

Persist Whey Protein Isolate - Vanilla Milkshake flavor nutritional supplement made by Undefined Nutrition - Brian Shaw

PERSIST | WHEY PROTEIN ISOLATE – Vanilla Milkshake

(143)

$59.99