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Bottle of Fitties FitFast
Rated 4.9 out of 5


Manage Glycemic Response with Medical-Grade Berberine and InSea2®

FitFast combines clinically studied levels of naturally occurring berberine and InSea2® and is formulated to support a balanced glycemic response to food while maintaining healthy blood glucose levels – providing a natural boost to achieve your health and wellness goals.

/ 60 Capsules

In stock

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Berberine (mg)


InSea2® (mg)




Developed by Health & Fitness Experts

Formulated by Medical Pros

Manufactured in CGMP Facilities

100% Medical-Grade Ingredients

Proven Results via Clinical Trials

Capsule (hypromellose and water), magnesium stearate, and silica.
Wheat, gluten, yeast, soy, animal and dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, and artificial preservatives.
Take one (1) capsule twice daily before meals or as directed by your healthcare professional.
Smiling female using tape measure to measure waist at home

Why FitFast?

FitFast is a meticulously formulated supplement that combines the synergistic benefits of berberine and InSea2®. These two natural ingredients work in harmony to help maintain healthy blood sugar levels and enhance insulin sensitivity. By making FitFast an integral part of your wellness regimen, you are promoting a holistic approach to your overall health, vitality, and longevity.

Experience Berberine's Powerful Impact

FitFast is thoughtfully crafted with berberine, an alkaloid that naturally occurs in a diverse array of plants like barberry, goldenseal, and Oregon grape. Revered for its significant role in Ayurvedic and traditional Chinese medicine, berberine is renowned for its ability to positively influence blood glucose metabolism and enhance insulin responsiveness.
Senior female smiling while holding green juice in kitchen

Discover the Unique Benefits of InSea2®

Tap into the incredible science of InSea2®, a blend of polyphenols derived from the wildcrafted brown seaweeds Ascophyllum nodosum and Fucus vesiculosus and sustainably harvested from the North Atlantic Ocean. InSea2 has been proven to enhance insulin sensitivity and maintain optimal blood glucose levels by inhibiting two key enzymes involved in starch and sugar digestion and assimilation.

Enhance Overall Health and Wellness

Managing your blood glucose levels and insulin sensitivity opens the door to a wealth of health benefits. This includes enhanced heart health, effective weight management, a surge in energy levels, elevated brain function, and reduced risks of both diabetes and kidney disease. Take a proactive step towards reaching your health goals, and so much more, by adding FitFast to your daily routine.
Plus-size female making fresh salad in kitchen

Researched and Proven Effectiveness

Concerned about efficacy? Rest easy knowing that FitFast’s featured ingredients, berberine and InSea2, aren’t just nature-derived, they’re backed by extensive scientific research. Numerous clinical studies affirm their effectiveness in managing blood glucose levels and enhancing insulin sensitivity. With FitFast, you’re choosing a supplement grounded in rigorous science.
Male performing clean and jerk movement

FitFast and Your Lifestyle - A Perfect Fit

Whether you’re a fitness enthusiast, following a specific dietary regimen, diabetic, or simply seeking to manage your blood glucose levels, FitFast complements and enhances your lifestyle choices. Packed in vegetarian capsules and expertly formulated to exclude allergens, GMOs, and artificial ingredients, FitFast is more than a supplement; it’s a partner in your wellness journey.

We Use Only the Finest Patented Ingredients

Buy with Confidence: Fitties' Unwavering Commitment to Your Satisfaction​

At Fitties, your happiness and satisfaction form the core of our mission, underscored by our comprehensive Fitties Satisfaction Guarantee. Regardless of whether you’re a first-time or repeat customer, rest assured knowing we’ve got your back. Our dedication to a hassle-free experience guarantees your peace of mind while shopping with us.

Frequently Purchased with FitFast

It's our mission to improve human performance, starting from the inside out.

Customer Reviews for ​FitFast

4.9 out of 5 stars (based on 9 reviews)

All good!

June 26, 2023

Shipped fast. Product was as described.

Avatar for Nikki Brohm
Nikki Brohm

Heard about this on TikTok

June 21, 2023

Not going to lie, I found this product after seeing stuff about berberine on TikTok. People looking for the quick fix… this won’t be that. BUT, with realistic expectations and an understanding of what this product does, I’ve had success in speeding up my weight loss journey. No complaints.

Avatar for Alda Mostowsky
Alda Mostowsky

Very good for regulating my blood sugar

June 12, 2023

Works great to regulate blood sugar

Avatar for Jon Anand
Jon Anand

Great for managing my GI

June 1, 2023

I love that FitFast uses natural ingredients like berberine and InSea2. It’s been effective in helping me maintain a balanced glycemic response.

Avatar for Ava Martinez
Ava Martinez

Great results

April 24, 2023

FitFast has been a fantastic addition to my diet. It has helped me maintain healthy blood glucose levels and I’m seeing great results.

Avatar for Emma Thompson
Emma Thompson

Essential to my lifestyle

April 21, 2023

FitFast has been an essential part of my fitness routine. I’ve seen noticeable improvements in my overall health.

Avatar for Nathan Young
Nathan Young

Nice addition to my supplement regimen

April 15, 2023

I’ve been using FitFast for a while now, and it has helped me keep my blood glucose levels in check. It’s a great addition to my daily routine.

Avatar for Leah Wright
Leah Wright

Worth every penny

April 14, 2023

FitFast has become a necessary part of my daily routine. It helps me keep my blood glucose levels in check and supports my fitness goals. Kinda pricey for me but worth it.

Avatar for Sebastian Lewis
Sebastian Lewis


April 14, 2023

Since I started taking FitFast, I’ve noticed a significant improvement in my glycemic response to foods. I feel better overall and can focus on achieving my goals.

Avatar for Oliver Davis
Oliver Davis

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