7 most effective weight loss supplements for women | Reviewed by science

7 most effective weight loss supplements for women | Reviewed by science

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Right, so you’re here because you’re looking for the most effective weight loss supplements for women on the market!

Let me guess, you’re at your wits end with your weight loss battle?

Or maybe you’re just looking for something to boost weight loss so you start burning fat faster?

Fair enough, I totally get it.

I done a little investigating online out of curiosity to see just how many people are looking for these products.

It was no surprise to me to find millions per month. 

Searches such as;

Best weight loss supplements for women”

“What weight loss supplements work?”

“Pills for weight loss that work fast”

“Most effective weight loss pills”

“Best women’s weight loss supplement”.

… and the list goes on, and on, and on….

So don’t worry, you’re definitely not alone!


7 most effective weight loss pills and supplements

This page contains affiliate links meaning I earn a commission if you use those links. I only recommend brands I use and/or completely trust. Please see disclaimer for more.

Unfortunately, as  you may have figured by now, not all weight loss pills and supplements on the market are legit. 

There are so many companies claiming to have “the best diet pills on the market” or “weight loss pills that work fast”.

There are LOADS of complete money and time wasting weight loss pills and supplements out there being sold to desperate people all around the world every second.

But don’t take off just yet!

Fortunately, I have done some extensive research (backed by science) and have listed 7 most effective weight loss supplements for women.

All are proven to help boost weight loss, when used correctly.

I have also made sure I included some of the best selling products of each supplement to help you out a little further.

I’m here to help guide you in the right direction so you can choose the best weight loss pill or supplement… that can work!

Weight loss pills and supplements

Just before we jump into the most effective weight loss supplements for women, I think its important that I point out the 3 different ways these weight loss products tend to work.

  1. They reduce your appetite making you feel fuller quicker and longer therefore you consume less calories.
  2. Help reduce nutrition absorption such as fat which means your body will take in fewer calories.
  3. Increase fat burning; natural stimulants which cause your body to burn more calories.

Here are 7 most effective weight loss supplements for women, reviewed.

Note: These are in no particular order

1. Conjugated Linoleic Acid (CLA) for weight loss

Conjugated Linoleic Acid or CLA has been a very popular and effective weight loss supplement for many years. 

They are found mostly in meat and dairy products.

How CLA works to aid weight loss is by reducing appetite, boosting metabolism and and help stimulate the breakdown of body fat.

When a review was done of 18 studies taken out on humans, it revealed those that supplemented with 3.2g of CLA per day, lost on average .11 pounds (0.5kg) per week, compared to those who took a dummy supplement.

Another study on the effectiveness of fat loss on over weight and obese patients revealed that by taking 2.4-6g of CLA per day for a period of 6-2 months reduced body fat percentage by 2.93 pounds (1.33kg) compared to other participants who took a placebo.

Side affects of CLA –

Conjugated linoleic acid may cause a variety of digestive side affects. If taken long term or abused  it may also  contribute to fatty liver, inflammation and insulin resistance.

Here are 2 of the best CLA supplements on the market.

Maximum Slim Max CLA 3000 

95% pure CLA

This is an extremely popular CLA product.

In reviews customers rave about the energy boost and increased focus as an extra benefit that comes with MAX CLA 3000.

The herbal ingredients bring a healthy burst of energy to your day without the jitters. 

Maximum Slim are so confident about this product that they offer a 60 day full money back guarantee if you are not satisfied. 

Max CLA 3000 is among the most popular womens weight loss pills.

MAX CLA 3000

NatureWise CLA 1250

Naturewise CLA 1250 is one of Amazons best selling supplements for weight loss that work. 

Just like Max CLA 3000, it is made with clean, simple, natural ingredients that are non-stimulating, non-addictive, and safe for ongoing use.

NatureWise CLA 1250 is one of the more popular weight loss pills for women.

2. Glucomannan for weight loss

Glucomannan is made from the root of the konjac plant.

It has been used as a gelling agent in traditional Japanese cooking for centuries.

Glucomannan has even adopted the nickname “the broom of the intestines”….which speaks for itself why it got this nickname!

How Glucomannan works

Glucomannan absorbs water in the digestive tract, reducing the absorption of carbs and cholesterols.

It expands to a bulky fiber giving you a fuller feeling in your stomach. 

Obviously when we become full, we tend to stop eating, hence the weight loss affect. 

Also, the lack of carb absorption also helps to support weight loss. 

The good thing about this supplement, is that it makes you feel full without the added gassy or bloated affect.

Three studies revealed that taking Glucomannan alongside a healthy diet can help people lose 8-10 pounds (3.6-4.5 kg) of weight in 5 weeks.

Other possible benefits of Glucomannan are lowered bloody sugar levels, blood cholesterol and triglycerides, and is very effective in relieving constipation. 

Side effects of glucomannan –

Although people claim to not feel gassy or bloated, it may cause minor bloating. It can also cause flatulence.

Here are two of Amazons best selling Glucomannan products. One in a pill for, the other in a powder.

Nature’s Way Premium Herbal Glucomannan from Konjac Root

Natures Way Premium Herbal Glucomanna is among the best sellers for weight loss pills and supplements.

It is said to increases the feeling of fullness and may provide support for weight management

1,995 mg per serving, Vegetarian &Gluten-Free

Non-GMO Project Verified, Tru-ID Certified

If you want to try glucomannan for weight loss, this is one of the most popular products on the market. 

Best Naturals Konjac Root Glucomannan Powder

Best Natures Glucomannan powder contain konjac root powder which helps reduce your appetite, increases satiety and foulness helping you follow a diet easier.

This Glucomannan weight loss powder supplement helps Supports Healthy Cholesterol Levels already within healthy range

No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish, No Sodium.

3. Caffeine for weight loss

Its probably no surprise that caffeine is the most commonly consumed psychoactive substance. 

Caffeine is one of the best weight loss supplements as it is a natural stimulant and metabolism booster. 

Coffee, which contains caffeine, can stimulate fat burning, especially before exercise. 

How does caffeine work?

Caffeine can cause fat cells to be used as a source of energy during a workouts opposed to glycogen, which stimulates more fat being burnt.

Caffeine will temporarily increase your metabolism, resulting in extra calories being burnt. 

Studies have shown that caffeine can boost metabolism by 3-11%, and increase fat burning by up to 29%

Caffeine can be a very effective weight loss supplement.

Side effects of caffeine –

Consuming caffeine in large amounts can have various side effects such as anxiety, difficulty sleeping, jitters, increased heart rate and fatigue. 

I am always very mindful to drink plenty of water in addition to coffee consumption as caffeine can dehydrate you.

Here are two very popular forms of caffeine that you can try as a natural weight loss supplement.

Maximum Slim Organic Espresso

This rich creamy, dark chocolate flavour coupled with an elegant finish that give you the best tasting coffee. 

Maximum Slim purchase their Arabica coffee beans from the top 2% of all Arabica raw coffee worldwide. 

Being a coffee lover myself, I can confirm that this definitely is a very fine tasting coffee and I personally highly recommend it. 

This coffee is fair trade certified. 


Prolab Caffeine Tablets 100 Count (Pack of 3

If you don’t like to drink coffee and prefer to get your daily caffeine hit in a pill form, Prolab Caffeine tablets are a big seller on Amazon. 

They give you energy and focus with no jitters or anxiety. Calorie-free, fast and easy caffeine to reduce fatigue, elevate mood and increase endurance.

Caffeine pills are the perfect alternative to energy drinks, energy shots and are a natural source of quick energy, focus and alertness to wake you up and get you going

4. Hydroxycut for weight loss

Hydroxycut has been around for many years now, and has become a very popular weight loss supplement for women.

The main ingredients used is caffeine, lady’s mantle extract (Alchemilla vulgaris),

wild olive extract, cumin extract, wild mint extract, and, in some products, green coffee bean extract .

All of these ingredients claim to help with weight loss.

In one study, it showed that Hydroxycut caused a 21lb weight loss (9.5kg) over a period of three months. 

Side effects of hydroxycut- 

Considering it contains caffeine, it may cause side effects such as anxiety, difficulty sleeping, jitters, increased heart rate and fatigue. 

Here is Amazons choice of hydroxycut.

MuscleTech Hydroxycut Hardcore Elite Weight Loss Supplement

MucelTech claim that Hydroxycut Hardcore has been designed to help you achieve the significant weight loss results you’ve been looking for

They claim it delivers extreme energy and enhanced focus

Some ingredients include  Coleus forskohlii and L theanine, with their key ingredient being green coffee bean extract .

5. Green tea extract for weight loss

Green tea extract is a very commonly used natural ingredient in weight loss pills and supplements. 

It has been used in traditional Chinese medicine for centuries to treat numerous health conditions and healing.

How does green tea help with weight loss?

Green tea contains caffeine and a type of flavonoid called catechin, which is an antioxidant.

Both caffeine and catechin are said to boost the metabolism which can help with weight loss. 

Catechin helps break down excess fat in the body, and both catechin and caffeine can increase the amount of energy we use, resulting in more calories being burnt.

A 2010 study revealed that green tea supplements had a positive effect on weight loss and is one of the best natural weight loss supplements for women.

Green tea extract is easily available and can be found pretty much any supermarket or online health retailer. 

Here are two of the best selling, best quality green tea supplements on the market. 

Maximum Slim Green Tea

Maximum Slim Green Tea is an extremely potent green tea extract that offers many known health benefits.

It provides plenty of antioxidants to promote a healthy lifestyle and utilizes natural ingredients to maximize your results.

  • Stimulate Fat Burn
  • Increase metabolic Rate
  • Supports Immune System
  • Boost Energy
Maximum Slim Green Tea

Nobi Nutrition Green Tea Fat Burner

This herbal weight loss and detox supplement contains polyphenols that claims to help reduce abdominal bloating, support digestion and work as an appetite suppressant, helping you lose more weight. 

It gives you a steady energy increase throughout the day – without the jitters!

The green tea capsule formula is third-party tested and formulated in the USA.

6. Orlistat (Alli)

Orlistat or Alli is an over the counter medication used to help with weight loss and weight management.

It is most effective on a calorie deficit diet and suitable for people 18 and over.

How does Alli work? 

Alli works by blocking the intestines from absorbing around 25% of the fat that you eat.

Fats that aren’t absorbed leave your body through movements of the bowel. 

It is also thought that Alli reduces the amount of visceral fat ( dangerous fat stored around the abdomen) that has been linked to type 2 diabetes, high blood pressure, heart disease and stroke. 

11 studies were reviewed and it revealed that weight loss can be increased by about 6 pounds (2.7kg) as opposed to those who took a placebo. 

Where can I find the best alli product? Here are two of the best selling products currently on the market.

Side effects – This may bring side effects such as loose bowel movements, flatulence and frequent bowel movements. 

It may also contribute to deficiency in fat-soluble vitamins, such as vitamins A, D, E and K.

alli Weight Loss Diet Pills, Orlistat 60 mg Capsules

This FDA approved weight loss supplement that helps block about 25 percent of the fat you eat from being absorbed.

It claims to act as an effective weight loss product and diet pill for both women and men.

For every 5 pounds you lose through diet and exercise, alli can help you lose 2 to 3 more.

Nutratech Orlistol – Carb and Fat Blocker

Orlistol’s proprietary diet pill formula is a weight loss supplement that inhibits both the absorption of carbs and fats, allowing them to be passed through the body before they can be broken down and stored for energy (as fat) resulting in fast weight loss for women and men.

While dieting, Orlistol weight loss pills for women and men also claims to act as an aappeite suppressant, making you eat less while blocking the carbs and fat, acting as a duel action weight loss supplement.

7. Green coffee bean extract for weight loss

Green coffee is quickly becoming one of the most sought after natural substances for weight loss by people all around the world.

This apparent  “magical fat burner”  blew up after after being mentioned on the Dr Oz show in 2012 as the coffee bean that burns fat fast and claiming that no exercise is needed.

Women everywhere are claiming that consuming green coffee has significantly helped them lose weight. 

What is green coffee?

Green coffee is the un roasted version of the roasted coffee beans you would normally find in supermarkets, coffee shops etc.

When coffee beans are roasted they lose a high amount of the chemical chlorogenic acid.  This active ingredient is said to have many health benefits, including weight loss.

Drinking black coffee still containing caffeine can help boost your metabolism and support weight loss.

How green coffee works

Although green coffee does contain a certain amount of caffeine, the main metabolism boosting/fat burning active ingredient is thought to be chlorogenic acid.

So, although you may still be able to lose weight consuming roasted coffee which contains caffeine and small amounts of chlorogenic acid, green coffee has not been stripped of any chlorogenic acid (the main fat burning ingredient), therefore may work better for you in helping you lose weight.

study was done in 2012 where 16 overweight people were given doses of green coffee extract or a placebo in seperate 6 week treatment periods, followed by 2 week cleansing periods to minimise influence of preceding treatments. 

As a result there were significant decreases in body weight, body mass index and body fat percentage.

There was also a slight decrease in heard rate.

These reductions happened when the participants were taking the green coffee extract.

Side effects of green coffee –

The chlorogenic acid in it may also cause diarrhea. It also has similar effects to caffeine, such as anxiety, difficulty sleeping, jitters, increased heart rate and fatigue. 

Here are two of the industries leading green coffee bean supplements

Maximum Slim Organic Green Coffee

This exceptional blend of green coffee and natural herbal extracts, such as green tea leaf and ginseng root preserves the essential health benefits of the unroasted green coffee beans.

Maximum Slim Original Green Coffee is an weight management innovation that will stimulate your metabolism without any harsh side effects.

The unique and special blend of green coffee and natural herbal extracts in green coffee helps you cleanse your body in a safe and natural way.

Natural Raw Green Coffee Bean Extract

Boost your metabolic burning capacity with ingredients sourced from pure raw green coffee. 

Boost your energy levels. Cleanse and detox.


With numerous studies done on all 7 weight loss supplements for women that I have listed, there is clear proof that each one can help support weight loss to a degree.

Which weight loss supplement is best for you will depend on many factors.

This includes your current weight, your weight loss goals and your tolerance to certain ingredients in each weight loss supplement.

These are definitely 7 of the best weight loss supplements for women. 

Glucomannan, CLA and Orlistat (Alli) are all more supportive in weight loss, where as caffeine, green tea and green coffee bean extract can increase fat burning. 

Whats the difference between weight loss and fat loss?

Weight loss is a decrease in overall body weight. This weight can include, muscle, fat, and water from the body.

Weight loss is simply a loss of overall body weight.

Fat loss is a reduction in body fat.

Reducing body fat is what most people want to achieve.

Whether your goals is weight loss or fat loss, if you want to achieve the absolute best results, you should combine your weight loss or fat loss supplement with a healthy balanced diet that is maintainable.

What’s your thoughts on the above weight loss pills and supplements?

Do you have any other’s that you have tried and recommend?

Please feel free to leave a comment below 🙂

This post may contain affiliate links. Please see disclosure for more info.

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