Ben Greenfield's 21-Minute Cardio Routine

5 Sept 2025 · 1 min
0:54

This is a short transcript excerpt from Ben Greenfield's YouTube video "Ben Greenfield's 21-Minute Cardio Routine." Ben endorses a training device he calls a "Waspa," describing it as a game-changer used by professional athletes because it is joint-friendly and enables intense V̇O2max-style sprint work without high injury risk. He reports completing eight 30-second sprints in one session and claims that, with the device plus added technologies (oxygen and red light), he can achieve in 21 minutes what he normally gets from a long cardio workout.

Questions this video answers

Eight 30-second sprints.

30 seconds per sprint.

21 minutes.

More from Ben

53:28
youtube.com

How CIA Spies Read People, Recover Fast, and Perform Under Pressure With Andrew Bustamante

today
56:49
youtube.com

A Biochemist Reversed His Own Heart Plaque - Here’s How He Did It

2d ago
52:23
youtube.com

When It Shrinks, Your Immunity Goes With It - Boundless Life Podcast

1w ago
53:58
youtube.com

A Duke Professor vs. A Bioenergetics Expert In Carbs Debate

1w ago
46:19
youtube.com

The Thyroid Fix You Probably Never Heard Of - With Dr. Amie Hornaman

2w ago
51:05
youtube.com

3 Experts: The Surprising Truth About What Makes You Age

2w ago
58:41
youtube.com

How to Stop Losing Muscle on GLP-1s (But Still Burn the Fat)

3w ago
53:15
youtube.com

The Solution to Aging Might Be Closer Than Anyone Realizes - With Ben Goertzel

3w ago
41:27
youtube.com

Study Reveals You Need LESS Sleep Than You Think | Ben Greenfield

4w ago
1:01:43
youtube.com

The Hidden Causes Of Your Gut Issues (It’s Not What You Think)

1mo ago
1:03:05
youtube.com

MIT Scanned ChatGPT Users' Brains. Here's What They Found | With Jim Kwik

1mo ago
See all content