We take a look to see if this diet pill is as effective as it claims.
Natrol Slenderite Pros
- Includes ingredient quantities
- Some support for all ingredients
Natrol Slenderite Cons
- No money back guarantee
- Some ingredients present in insufficient quantities
- Mixed customer reviews
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Natrol Slenderite Facts
- Manufactured by Natrol
- 60 capsules per bottle
- 5 clinically tested active ingredients
Natrol are the manufacturers of Slenderite and a number of different other supplements. They have been in business for over 30 years, and claims to be driven by consumer needs, delivering “nutritional products with uncompromised quality, service, and innovation through the best that science, nature, and technology can offer”.
Their facebook page states that they are based in Los Angeles, but no address is listed in their contact information. Those who wish to contact Natrol can phone 1-818-739-6000, email, or can chat with a nutritionist during selected hours via the website. The official website is filled with prompts to speak to their nutritionist on a live chat, and so this function is easy to find.
Natrol occasionally runs sweepstakes on their website, with customers who leave a review on the website whilst the competition is running being eligible to win prizes of product bundles. The most recent competition offered 100 bundled packages consisting of a bottle of melatonin, biotin and 5HTP, which had a combined retail value of $50. This encourages customers to leave reviews, especially positive ones, as customers who do not like the products are much less likely to enter a sweepstake to get free products.
In general, this can distort the average rating of a product, as positive reviews overshadow negative reviews. However, in this case, Slenderite has no reviews from customers on the actual Natrol website.
Natrol Slenderite Concerns:
- No money back guarantee
- Product expensive in long term
- Various side effects
What Does Natrol Slenderite Claim To Do?
According to the official website, Slenderite helps metabolize carbohydrates, boosts the metabolism, and enhances mood.
So What Is Natrol Slenderite and What Are The Ingredients For Natrol Slenderite?
Natrol, the manufacturers of Slenderite, do release a full ingredients list, including quantities, for their product. Each quantity listed below is per 2 capsule serving, with consumers taking two servings per day.
- Chromium Picolinate (100 mcg): This is used primarily to lower fasting blood sugar levels and to lower insulin levels in people who have type 2 diabetes. In terms of its potential effect upon weight loss, it is possible that taking chromium picolinate by mouth for 2 to 3 months might produce a small weight loss of about 1.1 kg. Obviously this is an incredibly small amount of weight loss, but studies are still inconclusive.
- Phase 2 Starch Neutralizer (White Kidney Bean Extract) (750 mg): One study in humans showed that participants who consumed white kidney bean extract, in addition to being on a multi-component weight loss programs (diet, exercise and behavioural intervention) lost more weight when compared to those who just followed the multi-component diet.
- Green Tea Extract (270 mg) (EGCG 135 mg): Green tea is high in a group of antioxidants called catechins. Studies have suggested that catechins and caffeine both increase energy expenditure by boosting the metabolism temporarily. However, the metabolic increase caused by green tea is limited. One study found that the use of green tea was not enough to counteract weight gain following a very low calorie diet.
- 5-HTP (75 mg): 5HTP is used by the body to make serotonin, which primarily plays a role in regulating mood. Some studies, primarily in animals, have shown that 5HTP reduces the appetite, as well as boosting mood.
- Caffeine (75 mg): Numerous studies have shown that caffeine boosts energy levels and alertness, as well as mildly boosting the metabolism, causing a small increase in the number of calories used by the body. The effects shown in studies are small, and some studies are inconclusive.
So What Does All This Mean?
Slenderite claims to contain 5 clinically tested ingredients – this phrasing makes the ingredients sound scientifically backed, but does not directly claim that these ingredients have been found to be clinically proven weight loss aids. As shown above, the amount of research available to support each ingredient varies immensely.
5-HTP has predominantly been studied on animals, whereas white kidney bean extract has been studied in humans, but only in a small number of trials. On the other hand, there is much more clinical evidence to support the use of caffeine and green tea to boost weight loss.
The amount of white kidney bean extract consumed per day is smaller than the amounts used in successful studies, and so weight loss may not be as much as seen in clinical trials.
Does Natrol Slenderite Have Any Side Effects?
Slenderite contains a carbohydrate blocking ingredient, white kidney bean extract. It is possible that whilst the body is getting used to the effects of the carb blocking elements of Slenderite, users may experience stomach pains, increased bowel movements and flatulence.
Some users of carb blockers in general report severe gas and bloating throughout their use of the products. Discomfort and tenderness in the stomach is not uncommon, and heartburn is also reported. Consuming carb-heavy meals can result in diarrhoea, as a large amount of food is passing through the body unprocessed.
Slenderite also contains caffeine. Caffeine is both a stimulant and a diuretic, and so may lead to headaches, increased urination, dehydration, increased heart rate, increased blood pressure, jitteriness, heart palpitations and insomnia.
Chromium can lower blood sugar levels. Whilst this is beneficial in people who have high blood sugar levels, it can cause side effects in people who already have low blood sugar. These potential side effects include light-headedness, dizziness and fainting. Taking the capsules with a meal as recommended will minimise the chances of these side effects dramatically.
5HTP has been associated with numerous side effects; it is unknown whether these side effects were caused by a compromised product, a contaminant, or by the product itself.
Web MD states,
There is concern that it can cause a serious side effect called eosinophilia myalgia syndrome. Some people think this side effect is only caused by a contaminant in some 5-HTP products; however, there is not enough scientific evidence to know if it is caused by 5-HTP, a contaminant, or some other factor. Until more is known, 5-HTP should be used cautiously.
Other potential side effects of 5-HTP include nausea, nightmares, heartburn, stomach pain, nausea, vomiting, diarrhoea, drowsiness, sexual problems, and muscle problems.
Avoid if you are pregnant or breast-feeding.
Not intended for those under the age of 18.
Diabetics should consult their doctor before using this product.
Any Natrol Slenderite Reviews From Customers?
Natrol Slenderite is available on Amazon, and so there are a limited number of customer reviews available. Considering that this product has been on the market for at least 6 years, we were slightly disappointed that there were only five reviews on the product.
Customer reviews are mixed, with some losing weight and feeling a noticeable boost in energy levels, whilst others found there was no difference to their weight loss at all.
Definitely not what it claims to do. I took the entire bottle but I didn’t see any difference. Very disappointed. I wouldn’t recommend it.
Fortunately, I did not spend much, and to be honest I will not be continuing to buy it. No pill will do what this claims. After using it for two months, there is no change in my weight, which is normal for my height, but a bit more than I would like it to be.
I really like this product…been using it for several weeks now and have no problems with it at all. Sometimes I take a whole tablet (great energy-builder when you’ve got a lot to do and feel ‘droopy’) and other times, just a half (usually mornings when I will be also drinking coffee or tea and don’t want to get that ‘jittery’ feeling). It’s excellent at curbing appetite and there is no “crash” after the fact. I recommend highly!
I decided to try Slederite when I heard about Phase 2. I usually take it with my 2 heaviest carb meals. I pop 2 pills about 10 prior to eating. I will say it curbs the appetite. I have now learned portion control because that is all I can eat. If I eat more then I feel uncorfortably bloated. I have also stopped snacking. But I still eat my carbs…which I refuse to give up. This was my 1st week and I lost 2.2lbs. I thought that was good for not changing the eating habits. I am not on any exercise plan. However, I do use a pedometer and have a walking goal of 10,000 steps a day. I don’t get a sick feeling when taking Slenderite but the pills do smell a bit disgusting. I havent noticed any change in my mood. I do have more energy. I didnt even have to take my daily nap. Unless you want a super energy burst, don’t take with coffee or any other caffiene beverage. I will update my review after week 2.
So Does Natrol Slenderite Work?
Customer reviews of Slenderite are mixed, but there are also so few that it is difficult to establish what most users think of the product. Based upon the ingredients list, it seems that all of the ingredients could contribute to increased weight loss when combined with an active lifestyle and balanced diet.
However, the ingredient quantities are smaller than some studies suggest are required to obtain significant results, and so Slenderite customers may experience slower weight loss than was seen in related studies. Because Slenderite contains a carbohydrate blocking ingredient, this aspect of the diet pill will not aid those on carbohydrate free diets. Similarly, those who are eating a diet high in carbs may experience side effects whilst using this diet pill.
Best results will be seen when using this diet pill alongside a diet containing some carbohydrates, but not in excessive amounts.
Where Can I Buy Natrol Slenderite?
Natrol Slenderite can be purchased from the manufacturer’s website, natrol.com. Each bottle of 60 capsules costs $23.00. The website offers free delivery within the US for customers spending more than $10, making the delivery of Slenderite free. Each serving is two capsules, with the recommended dose being two servings per day, meaning that each bottle will only last for 15 days. This means that whilst this product initially seems to be good value for money, in the long term the cost of using this product definitely adds up quickly.
Whilst there is a product page for Natrol Slenderite on Amazon, it is currently unavailable. Unavailable items on Amazon do not display any pricing information, and it is unknown, when it will be back in stock, if at all.
What About A Guarantee
No money back guarantee is offered by Natrol on their products. We were also unable to locate a returns policy on the Natrol website.
Overall, the ingredients list makes Slenderite look like a promising product, but on closer inspection, it is not as good as it seems. The ingredient quantities are not as high as the amounts used in successful studies. This is especially true of phase two white kidney bean extract. The product also fails to explain properly just how white kidney bean extract aids in weight loss, leaving customers to do their own research.
The product is also fairly expensive when used in the long term, as each bottle only contains enough capsules for 15 days of use. This means that new customers who like the product may need to take a break whilst waiting for another batch to arrive, or customers feel that they need to buy several bottles without even trying the product first.
Despite the product having been on the market since at least 2008, there are very few reviews from customers. The ones that have been left are rather mixed, with customers either losing no weight at all, or absolutely loving the product. The fairly even divide between these two opinions makes it hard to tell how effective this product is, making it a fairly risky investment.
We reject Natrol Slenderite.