Let's take a look at the product's ingredients to see if any published scientific research backs these claims. There 4 primary ingredients (Avesil also contains minimal amounts of calcium and potassium)...
1) Chromium polynicotinate: Chromium plays an important part in insulin function—it helps insulin regulate blood sugar levels. It's also involved in carbohydrate, protein, and fat metabolism.
As such, its presence in any weight loss product is beneficial. However, the clinical studies that have been performed on chromium have been contradictory; some showing it has a subtle effect, and others showing it has no effect at all (see the full review of chromium for more information and accompanying clinical references).
2) Garcinia cambogia fruit extract (standardized for 900 mg of SuperCitrimax): A single serving of Avesil provides 900 mg of SuperCitrimax. A full day's dosage (2,700 mg) is pretty darn close to the amount used in one positive clinical study—it used 2800 mg (see J Med. 2004;35(1-6):33-48).
That's good.
Don't get too excited though; if you check the study, you'll see that individuals participating were restricted to 2,000 calories per day. They also walked 30 minutes per day, 5 days out of 7.
Total weight lost?
An average of 5.4% in bodyweight over the course of 8 weeks.
A two hundred pound man would have lost 10.8 lbs., or 1.35 lbs. per week.
That's well within the realms—actually probably less— than what you can expect to accomplish on your own with a more rigorous training program and a slightly more restrictive diet.
In other words, the limited clinical data on SuperCitrimax indicates it helps, but certainly not in any dramatic fashion.
3) Green tea extract: There's a growing body of evidence that green tea offers benefits to dieters and those who wish to lose weight. Clinical studies indicate it elevates the metabolism, inhibits the action of the enzyme amalyse, in addition to providing numerous other benefits (see the full review of green tea here for more information and accompanying clinical references).
Most studies show that it is the action of one essential catechin, EGCG, in combination with caffeine that provides the bulk of these benefits. Unfortunately, the Avesil web site does not reveal what their green tea extract is standardized for, so it's impossible to assess the value it adds to this formula.
4) Caffeine: A well known thermogenic with clinically demonstrated benefits for weight loss (see Am J Clin Nutr. 1989 Jan;49(1):44-50, Am J Clin Nutr. 1980 May;33(5):989-97), although some data indicates it offers greater benefits to lean individuals that those who are overweight (see Am J Physiol. 1995 Oct;269(4 Pt 1):E671-8).
As you can see, Avesil boasts a moderately useful, but not particularly revolutionary formula. And yes, some of the ingredients are backed by some published clinical research—although we can't be sure if several are included at dosages that correlate with the referenced study data. And of course, no clinical studies have been performed on the Avesil formula itself.
With that said, let's discuss why I highly recommend you avoid this product...
First, it is outrageously expensive—$89.95 for a one month's supply. There's nothing in this formula to justify this price. For example, at a reputable online retailer like BodyBuilding.com you could buy super-potent versions of every ingredient in the Avesil formula for under $40, and stack them together to make your own fat burner...
The combination of the SuperCitrimax and the green tea referenced just above would provide you with the majority of the benefits of this product for less than one third of the cost.
Second, there is no way to order this product other than through the "free trial" offer presented on the web site. We highly recommend you do not do business with any company utilizing this "business practice."
In this case, the retailers send you a 30-day trial of the product, but only give you 14 days to try it (they don't say whether or not that 14-day period starts on the day you order the product. If this is the case, you'll have much less time to sample the product, considering the time it takes for the product to ship and arrive at its destination).
If you do not cancel your order within the 14-day grace period, your credit card will be charged $89.95 on a recurring monthly basis. Although I've yet to receive any comments about the billing practices of Avesil, product feedback to this site and Real-Customer-Comments.com make us extremely wary of any company using the free trial offer (we created a video on the whole "free trial" scam to make it even easier for you to avoid it—click here to watch the video!)
Retailers claim to be happy to honor cancellation requests, but feedback to this site indicate this is the exception, rather than the rule.
There is simply no good reason to adopt such a strategy.
For example, why send out a 30-day free trial sample, and only allow 14-days for customers to experiment with the product? In our experience, most people who receive a 30-day trial assume they have a full 30-days to try the product and end up being added to the recurring billing program. And most miss the "terms and conditions" of these offers, although it is certainly displayed clearly enough on the Avesil web site, last time I checked.
Nevertheless, the combination of outrageous cost, ordinary formula and "free trial" offer means this is one product we definitely recommend you avoid.
To leave your own feedback on Avesil
please click here! (you can read existing customer comments here too!)
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