LeanBiome · Diets & Weight Loss
LeanBiome
Nine probiotic strains and green tea, in a delayed-release capsule.
What LeanBiome is, the probiotic strains and plant extracts Lean for Good lists, how to take it, the 180-day empty-bottle guarantee, and what independent research says about probiotics and weight.
- Nine probiotic strains
- Caffeine-free green tea extract
- Delayed-release capsules
- Vegan and allergen-friendly
- Independent overview
- Opens the official store
- Terms are set by the seller
Last reviewed by the Wellness Center USA editorial team
- Probiotic strains, per the brand
- 9
- Capsules each morning
- 2
- Empty-bottle guarantee
- 180-day
- Caffeine-free, per the brand
- Vegan
The idea behind it
Weight and the gut, according to the brand.
LeanBiome is built around the gut microbiome. Here is the thinking in plain terms, with the brand's claims kept as the brand's claims.
Probiotic strains
Nine Lactobacillus and related strains the brand calls "lean bacteria", including L. gasseri, L. rhamnosus and L. fermentum.
Caffeine-free green tea
Greenselect Phytosome®, a green tea extract with its caffeine removed and an absorption-boosting phospholipid.
Fibre and plant extracts
Inulin feeds gut bacteria, and Sphaeranthus indicus with Garcinia mangostana are added for weight, per the brand.
Delayed release
DRcaps™ capsules are designed to protect live bacteria from stomach acid.
“It's time to become naturally lean.”
Approach, compared
A fat burner, a general probiotic, or a weight-focused blend?
How LeanBiome's approach differs from other common products. The LeanBiome column reflects the brand's own description.
- Stimulant fat burner
Caffeine-led
- High doses of stimulants
- Can cause jitters and poor sleep
- Short-term focus
- General probiotic
Digestive health
- Strains chosen for digestion
- Rarely aimed at weight
- No plant extracts
- LeanBiome
Probiotics plus extracts
- Nine strains, three named
- Caffeine-free green tea extract
- Inulin, Sphaeranthus and mangosteen
- Delayed-release capsules
What's inside
Probiotics, green tea and three supporting ingredients.
The ingredients LeanBiome names on its official site. Doses and the six remaining strains are not listed on the sales page.
- Named strains
L. gasseri, L. rhamnosus and L. fermentum
The three named strains, each studied in small trials for body weight or fat. Results depend on the specific strain and dose used in each study.
- Green tea
Greenselect Phytosome®
A branded, caffeine-free green tea extract bound to phospholipids to improve absorption. Green tea is the ingredient with the most weight research.
- Prebiotic fibre
Inulin
A prebiotic fibre from plants such as chicory, which feeds gut bacteria and can help you feel full. It may cause wind at first.
- Plant extracts
Sphaeranthus indicus and Garcinia mangostana
An Indian flowering plant and the mangosteen fruit, combined in a branded extract the brand says reduces fat storage.
LeanBiome by the numbers
- Day supply per bottle
- 30
- Year shelf life, per the brand
- 2
- Days to request a refund
- 180
- Business days US delivery
- 5–7
Side by side
How LeanBiome compares.
The LeanBiome column comes from the official website. The second column describes a typical general-purpose probiotic in general, not any specific product.
| Feature | LeanBiome | Typical probiotic capsule |
|---|---|---|
| Multiple probiotic strains | Yes, (9) | Yes |
| Green tea extract | Yes, (caffeine-free) | No |
| Prebiotic fibre (inulin) | Yes | Varies |
| Delayed-release capsule | Yes | Varies |
| Vegan, gluten- and dairy-free | Yes, (per the brand) | Varies |
| All strains and counts on the sales page | No | Yes, (on the label) |
| Money-back guarantee | Yes, (180 days) | Varies |
✓ = present according to the brand · ✗ = not present · Varies = depends on the product.
Want to check current availability and details?
Visit the official LeanBiome websiteGood to know
Before you start
A few points worth checking before taking LeanBiome:
- Weakened immunity. Probiotics are not advised for people with a weakened immune system, serious illness, a central line or recent major surgery unless a doctor approves, because rare serious infections have been reported.
- Digestive changes. Probiotics and inulin can cause wind, bloating or loose stools in the first weeks. These usually settle.
- Green tea extract. Concentrated green tea extracts have been linked to rare liver injury. Stop and see a doctor if you notice dark urine, yellowing skin or stomach pain.
- Pregnancy and medicines. Ask your doctor first if you are pregnant or nursing, or take medicines, including immune-suppressing drugs.
The evidence
What independent research says about probiotics, green tea and weight
We found no published clinical trial of LeanBiome itself.
Probiotics are an active area of research, and studies have found differences in gut bacteria between people of different weights. But the NIH's National Center for Complementary and Integrative Health notes that the effects of probiotics depend on the specific strain, that results from one strain cannot be applied to others, and that more research is needed before probiotics can be recommended for most conditions. Trials of probiotics for weight have generally found small effects at best.
Green tea has the most weight research of the formula's ingredients. A Cochrane review of 14 trials found that green tea preparations led to a very small loss of weight in overweight or obese adults — an amount unlikely to matter in practice. The trials of Greenselect Phytosome® that the brand highlights paired it with a calorie-controlled diet. Inulin can help with fullness, and the Sphaeranthus and mangosteen extract has a few industry-funded trials.
In plain terms: LeanBiome combines ingredients with some early evidence, but the finished capsule has not been tested, and the dramatic results in its marketing come from individual studies under different conditions. Treat them as the brand's description rather than expected results.
Good to know
What helps your gut and your weight day to day
These habits have the strongest evidence for a healthy gut and lasting weight management:
- Eat plenty of fibre from vegetables, fruit, beans, whole grains and nuts — it feeds your gut bacteria naturally.
- Include fermented foods such as yoghurt, kefir or sauerkraut if you enjoy them.
- Build meals around protein and vegetables, which help you feel full for longer.
- Move daily and sleep well, both linked with healthier weight.
Simple routine
Getting started with LeanBiome.
Take two capsules with a sip of water each morning before breakfast, as the official site recommends.
Expect some wind or bloating in the first week or two as your gut adjusts to the probiotics and inulin.
Keep your packaging — the support contact details are printed on it, and the guarantee covers empty bottles.
Refund policy
What the 180-day guarantee says.
Lean for Good offers a 180-Day "Empty Bottle" Money-Back Guarantee. The site says you can try LeanBiome for six months and, if you change your mind for any reason, contact customer support by phone or email for a refund of 100% of the purchase price — even if you have used every capsule. These are the seller's terms as published, not a guarantee from us.
- 180 days, whichever package you choose
- Applies even to empty bottles
- 100% of the purchase price (per the brand)
- Contact details provided with your order
Is it right for you?
Questions to ask before buying.
- Do you have a weakened immune system or a serious illness? Ask your doctor about probiotics first.
- Have you ruled out medical causes of weight gain with your doctor?
- Have you had liver problems, or do you take other green tea extracts?
- Are you comfortable that strain counts and doses are not on the sales page?
- Can you take it each morning for several months, alongside diet and activity changes?
- Have you noted the guarantee — 180 days, empty bottles included?
Ordering
Buying, shipping and the official site.
LeanBiome is sold through the Lean for Good official website, with ClickBank handling the order as the retailer. Purchases are a one-off payment, with no rebilling or auto-ship programme, and the brand says it will not be sold in stores.
Packages. The site offers two, three and six-bottle packages, equal to two, three and six-month supplies. The three and six-bottle packages include a free eBook of gut-friendly smoothie recipes, and the six-bottle package ships free within the USA; shipping is charged on the others.
Delivery. The brand says orders ship right away and arrive within 5 to 7 business days in the US, or 1 to 2 weeks elsewhere.
Support. Lean for Good lists a phone number and an address in Wilmington, Delaware, and says it partners with the charity Vitamin Angels.
Specifications
LeanBiome at a glance
As published on the official website. Details the site does not give are marked as not stated.
- Product
- Biome® (LeanBiome)
- Maker
- Lean for Good, Wilmington, Delaware
- Form
- Delayed-release capsules (DRcaps™)
- Suggested use
- 2 capsules daily with water, preferably before breakfast
- Named strains
- Lactobacillus gasseri, L. rhamnosus, L. fermentum (9 strains in total, per the brand)
- Other ingredients
- Greenselect Phytosome® (caffeine-free green tea), inulin, Sphaeranthus indicus, Garcinia mangostana
- Doses and strain counts
- Not stated on the sales page
- Supply
- 30 days per bottle
- Free from
- Gluten, sugar, nuts, soy, crustaceans, dairy, GMOs, BPA (per the brand)
- Manufacturing
- USA, FDA-inspected, cGMP-certified facility (per the brand)
- Refund window
- 180 days, empty bottles included
- Delivery
- 5–7 business days US; 1–2 weeks elsewhere
At a glance
Key features
Nine probiotic strains
Including Lactobacillus gasseri, rhamnosus and fermentum, according to the brand.
Caffeine-free green tea extract
Greenselect Phytosome®, designed for better absorption.
Delayed-release capsules
DRcaps™ designed to help live bacteria survive stomach acid.
Vegan and allergen-friendly
Free from gluten, dairy, soy, nuts and sugar, according to the brand.
180-day empty-bottle guarantee
A 100% refund even after using every capsule, under the seller's terms.
What it's made of
Ingredients & materials
- Probiotic blend
- Nine strains, including Lactobacillus gasseri, L. rhamnosus and L. fermentum.
- Greenselect Phytosome®
- A caffeine-free green tea extract bound to phospholipids.
- Inulin, Sphaeranthus indicus and Garcinia mangostana
- A prebiotic fibre and two plant extracts. Doses are not on the sales page.
The details
Overview
LeanBiome — sold as Biome® by Lean for Good — is a capsule supplement offered through its official website. The brand says it is formulated to "support healthy weight loss" by rebalancing the gut microbiome, and calls it "the first in the world to combine nine clinically-researched 'lean bacteria' species with Greenselect Phytosome®." The official site names three of the nine probiotic strains — Lactobacillus gasseri, Lactobacillus rhamnosus and Lactobacillus fermentum — together with Greenselect Phytosome®, a caffeine-free green tea extract, plus inulin, Sphaeranthus indicus and Garcinia mangostana. Doses and the other six strains are not listed on the sales page. The capsules use a delayed-release design, and each bottle is a 30-day supply. This page sets out what the official site states, how LeanBiome is meant to be taken, and what independent research says about probiotics and green tea for weight. It is an editorial overview, not a hands-on test, and nothing here is medical advice.
How it works
LeanBiome is built on research suggesting that the mix of bacteria in the gut differs between people of different weights. The brand calls the bacteria it adds "lean bacteria" and says they help suppress hunger, dampen cravings, support metabolism and reduce fat storage. The formula pairs probiotic strains with three supporting ingredients: Greenselect Phytosome®, a green tea extract bound to a phospholipid to improve absorption and made caffeine-free; inulin, a prebiotic fibre that feeds gut bacteria; and a combination of Sphaeranthus indicus and Garcinia mangostana, two plant extracts the brand says reduce fat storage. The capsules are DRcaps™, a delayed-release capsule designed to help the bacteria survive stomach acid. The brand cites trials of individual strains and of Greenselect, but does not publish trials of the finished capsule, and gut research is still evolving.
Who it's for
LeanBiome is marketed to adults who struggle with belly fat, cravings and weight that is hard to shift. The brand says the formula is vegetarian and vegan-friendly; free from gluten, sugar, nuts, soy, crustaceans and dairy; free of GMOs and BPA; and made in an FDA-inspected, cGMP-certified facility in the USA. It is not a substitute for medical care. Unexplained weight gain can have medical causes, such as thyroid problems, medicines or hormonal conditions, that are worth discussing with a doctor. People with a weakened immune system, a central line, serious illness or recent surgery should avoid probiotics unless their doctor approves, as rare infections have been reported in these groups.
Usage
The official site says to take two capsules a day with a sip of water, preferably in the morning before breakfast. Each bottle holds a 30-day supply, and the brand says the capsules have a two-year shelf life. Speak to your doctor first if you have a weakened immune system, are pregnant or nursing, take medication or have a medical condition.
Common questions
Frequently asked questions
What is LeanBiome?
LeanBiome, sold as Biome® by Lean for Good, is a probiotic and green tea capsule marketed to support healthy weight loss through the gut microbiome.
What is in LeanBiome?
Nine probiotic strains, including Lactobacillus gasseri, rhamnosus and fermentum, plus Greenselect Phytosome® green tea extract, inulin, Sphaeranthus indicus and Garcinia mangostana.
How do I take LeanBiome?
Two capsules a day with a sip of water, preferably in the morning before breakfast, according to the official site.
Does LeanBiome contain caffeine?
The brand describes its Greenselect Phytosome® green tea extract as caffeine-free.
Is there evidence that LeanBiome works?
We found no published trial of LeanBiome itself. Individual strains and green tea have small studies, but the NIH says probiotic effects are strain-specific and more research is needed.
Will LeanBiome upset my stomach?
Probiotics and inulin can cause wind or bloating at first, which usually settles within a couple of weeks.
Who should not take probiotics?
People with a weakened immune system, serious illness, a central line or recent major surgery should ask their doctor first.
Is LeanBiome vegan?
The brand says it is vegetarian and vegan-friendly, and free from gluten, sugar, nuts, soy, crustaceans and dairy.
What is the LeanBiome guarantee?
A 180-day empty-bottle guarantee. The site says you can get a 100% refund within six months, even if you have used every capsule.
Is LeanBiome a subscription?
No. The site says it is a one-off purchase with no rebilling or auto-ship.
How long does shipping take?
The brand says 5 to 7 business days in the US and 1 to 2 weeks elsewhere.
Who makes LeanBiome?
Lean for Good, which lists an address in Wilmington, Delaware. ClickBank acts as the retailer for online orders.
Before you go
What happens when you click the button?
You go to the official store
The button opens the seller's official page. This site never takes your payment details.
Check the details there
Price, availability, shipping and the guarantee are set by the seller and can change, so confirm them before you order.
The seller handles your order
Checkout, delivery and any refund request go through the seller and its customer support, not through us.
See LeanBiome on the official site.
Prices, availability and current return terms are set by the seller and can change — check them on the official site before you buy.
Clinical reviewer
James Willson, PharmD
Clinical Pharmacist · Health content reviewer · Six years’ professional experience
James Willson is a clinical pharmacist with a Doctor of Pharmacy (PharmD) qualification and six years of professional experience in clinical pharmacy and the review of health-related information.
He reviews health and wellness content on Wellness Center USA for accuracy, clarity, appropriate terminology and responsible presentation of product information — including ingredient details, usage instructions, precautions and references to scientific research, where applicable.
His goal is to help readers understand health and wellness information clearly, tell product claims apart from established evidence, and make better-informed decisions.
Editorial note
Information on this page reflects manufacturer statements, which are attributed as such, and our own research. It is provided for informational purposes and is not medical advice.
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