Jaime Brenkus: 28-Day Size Down Challenge


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Ready to lose a size in 28 days? 

8 Minutes A Day

Follow Jaime's 28-day physical and nutritional program, and he'll get you there. 

Over the course of the program, you'll exercise each day for just 8 minutes, while also enjoying rest days as noted in the schedule listed next to the video player above. On the days you’re not exercising, continue to follow Jaime's Menu Options as a nutritional guideline, while using your rest days to purchase your groceries for the upcoming week.

Want to see a full 8-minute sample video from Jaime Brenkus? Click here! »

📌 Be sure to look for Jaime's modified movements for exercises he demonstrates, in case you find any movements too challenging.

Before you begin, please review our ...

Quick Start Guide

Before you start the program, be sure you have your first full week of groceries and the basic equipment we’ve listed ready to use:

⬇️ Menu Options (Download) »

⬇️ Grocery List (Download) »

⬇️ Progress Calendar (Download) »


  • 2 Hand Weights, each 3-5 pounds
  • Yoga Mat
  • Sturdy Chair
  • Water Bottle
  • Towel

Got Your Food and Equipment? Let's Go!

Each exercise day has a short Preview video followed by that day's full 8-minute Workout – all located to the right of the video player at the top of this page. 

Share Your Story

Our commenting feature below is for active users of the 28-Day Size Down Challenge to share stories and encourage each other to success. Join in the conversation now. (Commenting Policies)

Celebrity fitness trainer Jaime Brenkus is best known as the inventor of the 8-Minute Fitness Series (featuring 8-minute Abs) that revolutionized the fitness industry back in the 90s. Today he's focused on putting the boom back into Baby Boomers nationwide.

Ready to Look and Feel Better?

Our workout programs work around YOUR schedule. Not the other way around!