For a healthy gut, plus weight management

Don't fight fat get Fit! Fit has six probiotic strains that help your body break down carbs and fats that the body finds hard to metabolize. It also helps modify your body's energy regulation — to put more pep into your workout regimen, and reduce abdominal bloating. Hands up for getting fit!

Supplement Facts


Improved fat breakdown*
More energy*
Reduces bloating*
Helps suppress appetite*


Bacillus subtilis DE111®


Lactobacillus acidophilus NCFM


Bifidobacterium lactis Bl-07


Bifidobacterium lactis B420


Bacillus coagulans SNZ1969


Lactobacillus fermentum Lf61


We've helped over 100K guts

We've helped over 100K guts

of customers love their jetson probiotic
of customers see an improvement in their digestion
of customers prefer Jetson over other brands

**Jetson Customer Survey July 2022, 453 respondents.

Erin's Gut Health Transformation

Stefan Weitz, Jetson Founder

Why we made this

We designed Fit to be the most honest weight loss supplement available. The truth is there is no such thing as a magic pill that makes you lose weight. But, if you are mindful about what you eat, Fit’s probiotic strains will help your body metabolize the fats naturally. It will help boost your energy levels to support a healthy exercise regimen. And it will reduce bloating and distension. In our medical opinion, if you want to lose weight “Don’t fight the fat, get fit!

Got gut health questions? We've got answers.

Why Jetson?

We go way beyond bacteria

We start with high-quality probiotics, then supercharge each formulation with vitamins, minerals and botanicals.

Our product works

We’ve changed thousands of lives by healing the gut. But don’t just take our word for it. Get the scoop from real people who have seen real results.

We're risk-free to try

Free shipping for all probiotics. And if you don’t like Jetson, you don’t pay for it. Guaranteed. Just let us know within thirty days of your first order and you’ll receive a full refund.

We’re serious about efficacy

Rigorous quality testing ensures the number of CFUs on the bottle is what you’ll always get, even after they travel through your stomach.

A bottle to brag about

Behold our bottles: They’re made of next-gen materials with moisture-control tech to keep the live bacteria protected. No refrigeration required.

Not Sure What's Right For You?

Take our gut health quiz and discover what routine will repair your gut and improve your overall health.