We’re hearing a lot of buzz about Fastin-XR diet pill, so we dug deep into the ingredients, side effects, and clinical research. We collected comments from hundreds of user reviews and statements. Then, condensed and summarized to give you the info you need.
What is Fastin-XR?
First off, Fastin-XR is a weight-loss supplement. The ingredients are:
- 1,3 DMAA
- Acai Rigdula Extract
Fastin-XR also contains synephrine, theobromine, green tea, naringin, methoxytryptamine, and yohimbe.   You’ll take up to three capsules a day. It claims to boost energy and help you lose weight.
The product, introduced by Hi-Tech Pharmaceuticals after the company started in 1993, lists some of the ingredients online, a positive. We like that we found a few positive comments and the favorable BBB rating, but read on…
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Fastin-XR Side Effects – “A Major Issue?”
The first issue deals with Fastin-XR side effects. “The formula contains more than one stimulant,” said our Research Editor. “But, the combination could lead to adverse reactions.”
“I was very positive when purchasing this based on the reviews but when I took 1 tablet, my heart was racing. Tried 1/2 tablet and still the same result,” explained a dieter.
“I tried a whole tab and I thought my heart rate was way too fast,” said a user.
Other customers didn’t mention Fastin-XR side effects.
“It made my heart race, but I realized I was taking too many. I was okay when I cut down to one,” reported a customer.
FDA Action – “What’s That About?”
Hi-Tech Pharmaceuticals has been the subject of multiple FDA investigations. The latest letter sent to the company was in April 2015. According to the communication, several products, including Fastin-XR were mislabeled. They were told to stop selling all supplements claiming acacia rigidula was a source of Beta-methylphenethylamine. We checked the official website and it appears they have complied with the order.
Ineffectiveness – “Losing Weight?”
Based on user reviews, Fastin-XR ingredients don’t produce results. “After giving the product a full month I found it pretty worthless,” reported a user.
A dieter said, “I have been on this for 30 days and have been watching my intake. I haven’t lost a pound, in fact I gained a couple. I do not recommend this product, I am going to try something else.”
We found that some Fastin-XR reviews offered another side of the story.
“Jump starts the energy, but nothing too terribly bad,” said a customer.
“No negative side effects so far,” offered another.
Based on our research, it takes one thing, like side effects, to ruin your chances of long-term success. If Fastin-XR causes jitters and shakes, among other reactions, the dieter may stop taking it within a few days.
The Science – “Where’s the Proof?”
All you get from Hi-Tech Pharmaceuticals is a long description packed with product claims. We didn’t find a single reference to clinical studies. We were able to locate research supporting caffeine as a metabolism-booster, but it didn’t point toward this formula. Both synephrine and 1,3 DMAA are associated with negative side effects. The fine print for Fastin-XR does say it can cause issues with BP and it may interact with medications.
What Users Are Saying
“Just purchased Fastin-XR 3 days ago. Wow, this product gives you tons of energy! My appetite has decreased while having the desire to be physically active. Within 30 minutes after taking the capsule I got a little rush inside, similar to the feeling after drinking a strong cup of coffee. That’s the only side effect that I’ve had. No need to drink any caffeine drinks with this product.”
“Compared to the regular Fastin it works better as an appetite suppressant and is longer-lasting, but doesn’t give you as much energy as the original does.”
“This stuff works but it gives me such a bad headache when I use it every day. Every other day is not too bad but then it’s not as effective. For the high cost and headaches, I won’t be using this again.”
The Bottom Line – Does Fastin-XR Work?
So, are Fastin-XR diet pills the real deal? Well, we like the longevity of Hi-Tech Pharmaceuticals hand the low price. But, we have concerns about this one because there’s no research supporting the claims. There’s also an issue relating to customers comments about it potentially causing negative side effects, or producing results.
If now is your time to lose weight, we suggest going with a supplement that gives you clinically-tested ingredients and not linked to harmful side effects.
Among the best products we’ve seen this year is one called Burn HD. The formula consists of four clinically-tested ingredients, that have been shown to help boost fat loss and spark metabolism. We’ve not found a single dieter talking about harmful side effects, but we found plenty telling others about seeing great results.
Also, the company that makes Burn HD is confident in the product, so they’re offering a 2-Week Sample.Learn More About Burn HD »