SeroLean™ is a 2-step program that increases serotonin levels and metabolism to help you lose weight. Herbs are effective without requiring any daily or dietary restrictions.

The formula is easy to take on a daily basis, and it just fits. Natural ingredients to produce the desired effect.

Why Choose Serolean?

FDA Approved
FDA Approved

Serolean is manufactured in an FDA-registered facility that adheres to strict FDA regulations.

100% Natural Gutvita

All ingredients in the Serolean product are pure, natural and sourced with care.

Made In The USA
Made In The USA

Serolean is manufactured at a facility in the US.

GMP Certified
GMP Certified

Serolean is GMP certified ensuring medical grade quality.

What Is Serolean?

what is SeroLean?

SeroLean is a powerful natural supplement, which curbs cravings, boosts fat burning, and improves sleep by triggering "secret brain changes" that promote effortless weight loss . . . .

Dr. Robert Posner, founder of Sero Plus Weight Loss Clinics across the United States, is the founder of Serolean. As seen on FOX, CBS, and NBC news programs, her expertise in weight loss solutions shines through.

Serolean burns fat, increases energy, regulates blood sugar and pressure, improves mood, treats diabetes, reduces stress, prevents heart disease, improves sleep, increases cognitive function, and reduces pain which occurs from time to time

Serolean’s weight control formula is manufactured in FDA-approved, GMP-certified laboratories under strict sterile conditions. Each bottle contains no chemicals or artificial sweeteners, and contains 60 easy-to-use capsules, designed to be used twice a day

The fat burner makes for a more restful day and boosts metabolism, helping to burn fat during the day and night. AM serolean boosts mood, performance and youthfulness, while PM serolean promotes relaxation and calmness. 

Benefits of Using Serolean

Here are some of the main benefits of Serolean:

  1. Boosts serotonin levels- The main benefit of Serolean is to balance serotonin levels. With the addition of 5-HTP, the precursor to serotonin, this supplement aims to improve this neurotransmitter associated with mood and craving regulation.
  2. Appetite suppression and hunger reduction: Containing 5-HTP, L-tryptophan, and powdered green tea, the Serolean diet targets appetite suppression by physically and emotionally all the parts of eating that it deals with.
  3. Antioxidant Protection and Reduce Inflammation: By combining with Stinging Nettle Leaf Extract and Green Tea Extract, serolean boosts its antioxidant properties, relieves oxidative stress and contributes to overall health.
  4. Speeds up metabolism: Serolean’s effect on metabolism directly affects your energy. It optimizes your metabolism to keep you consistently energized throughout the day. This is particularly useful for individuals experiencing energy fluctuations.
  5. Promotes better sleep: Among all the other benefits, serolean provides better and deeper sleep on a daily basis.
  6. Improves cognitive function: The nutritional formula serolean contains vitamin B6, horseradish, green tea and white kidney bean extracts, which are effective in improving brain function and improving mood.

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Fast Lean Pro Real Reviews

review-by-Lauren G. Wyoming, USA

Verified Purchase ✅

Before, I didn’t want to look at myself for a second because I had just gained weight. This allowed me to control my weight issues. I lost over 60 pounds.


Verified Purchase ✅

Serotonin stuff really helps curb cravings for carbs, which was one of my problems. And they give you the good help you need. It helped me lose 115 pounds.


Verified Purchase ✅

My last job before this was with Weight Watchers and I quit working for me. This helped me lose weight and I’ve maintained it ever since

How Does Serolean Works?

Natural nutrition supplements Serolean help achieve weight loss goals by focusing on fat burning and increased energy levels. When taken in the morning, at times of peak metabolism, it allows individuals to use nutrients as energy, thereby increasing metabolism.

According to the makers of Serolean, an imbalance of serotonin is the main cause of weight gain. This important hormone acts as a messenger in the brain, regulating mood, sleep, mood, appetite and energy levels.

Serolean's formula works in several ways: it stimulates leptin and ghrelin to regulate energy and appetite, and reduces cortisol levels to reduce stress In addition, it promotes relaxation and calmness, effectively relieving stress and anxiety . . . .

Serolean PM suppresses late-night cravings, allowing for restful sleep.

Serolean works by stabilizing serotonin levels, effectively reducing hunger and cravings. Additionally, it increases energy, concentration and appetite suppression throughout the day, promoting restful sleep and facilitating efficient fat burning This makes Serolean a solution perfect for individuals seeking help in their weight loss efforts

Regular use of the two-stage formula is said to result in significant weight loss. Testimonials on the Serolean website highlight clients’ accomplishments, with some reporting losses ranging from 70lbs to 115lbs. Dr. Posner insists that he has amassed thousands of similarly positive testimonies. 

Order Your Discounted Serolean Bottle Now!


Regular Price: $147/Bottle

Today's Price: $39/Bottle

60-Days Money Back Guarantee

Money back Guarantee

SeroLean offers a 60-day money back guarantee to build customer confidence in our product. If, within 60 days after your purchase, you find that SeroLean is not meeting your expectations or delivering what you want, you may request a full refund.


Inside every capsule of SeroLean you will find:

Each Serolean capsule contains a blend of plant and herbal ingredients designed to stimulate serotonin release and improve metabolic function. Backed by clinical research, each ingredient has been proven to reduce thirst, prevent fat accumulation and increase metabolism.

Here are all the active ingredients in Serolean and how they work.

  • Simple Griffonia:  Research has shown that 5-HTP, a chemical found in the seeds of this tree, stimulates the body to naturally produce serotonin. This aids in weight loss by reducing feelings of fullness and appetite. Additionally, the plant has a history of traditional use due to its effectiveness in relieving pain, insomnia, stress and depression. Furthermore, the natural ingredients in this product are known to have neuroprotective properties.
  • Valerian origins:  Valerian root extract comes from the roots of the Valerian plant, a perennial herb native to Europe and Asia. Its therapeutic properties are believed to be underpinned by compounds such as valerenic acid, isovaleric acid and valerate. One proposed mechanism by which valerian root extract facilitates weight loss is by increasing brown adipose tissue (BAT) activity.
  • Ashwagandhah:  Ashwagandha’s ability to increase muscle mass and energy plays an important role in weight loss and fat burning by restarting metabolism. Studies such as those published in the Journal of Ayurveda and Integrative Medicine and the Journal of the International Society of Sports Nutrition prove it effective for these goals.
  • Green Tea Recipes:  Tea green tea extract in combination with Serolean provides significant improvement. It is known for its anti-inflammatory properties and health benefits, mainly due to the catechin content of epigallocatech.

SeroLean Frequently Asked Questions

To quickly explain, Serolean is a powerful supplement with a unique blend of powerful natural ingredients, clinically proven to help your body naturally produce much-needed serotonin, which – if not available a – can be runaway hunger, emotional overeating, carbs cravings, mood , stress, sadness f.
The synthesis of serotonin is detailed here.
Serotonin signals the brain when there is enough food. This is called “complete abdominal planning”. Without serotonin, the brain feels its nutritional needs can’t be met, and it goes into “red alert” to send powerful signals to your “craving center” telling your body to “ don’t start eating early” and “don’t store carbohydrates” .
Low serotonin levels lead to carbohydrate cravings, and excessive carbohydrate intake can lead to weight gain.
Having more serotonin in your body gives your “appetite regulator” strong signals that you have eaten enough. This “turns off” appetite and creates a feeling of fullness. This can result in fewer calories during the day without intense hunger and thirst … leading to faster weight loss. 

This powerful formula works for everyone, whether you’re in your 30s or 90s…

No matter what your current situation is, or if you have struggled with weight issues for a month or 20 years. Serolean works without the side effects seen with medications or bariatric surgery implants, is noninvasive and takes less than a minute a day to use. 

This diet is the most amazing and effective natural diet the world has ever seen. Each of the ingredients has significant advantages. And together, they will be a powerful way to end your weight gain.
So far, thousands of people have successfully used Serolean to lose 40 pounds, 80 pounds, and in some extreme cases, 200 pounds, and you could be the next success story. 

It’s easy:
Just take two capsules in the morning, for at least 30 days.My treatment recommendation for all of my 24,000 patients, was to take it for at least 3 months.

Both our research and consumer reviews have shown that the more you take Serolean, the more lasting health benefits and weight loss you will experience.

So this mix of power every day… every month…
And this is exactly why I recommend a minimum of three doses of Serolean at a time, and six products if you want to be completely safe.

Then give at least 90 days. This way you can be sure that you have taken all the right steps towards a new life. 

Yeah. Serolean comes with a 60-day per inquiry money back guarantee.
However, remember that it can take up to two months to see full, amazing results. That moment is not at all when you are talking about getting your dream body and reclaiming your health.
But when that refund request comes in, you’ll get your money back so much faster… and you’ll get to keep the Free bonus too. 

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