Weight Loss Supplements
If you read any bodybuilding site or go into health food or vitamin store, you
will instantly be bombarded with expensive weight and fat loss supplements.
As we all know, those
Extra Pounds Cause Many Health Issues. Below I have
summarized which of these supplements for weight loss have actually withstood
the test of peer-reviewed research.
The weight loss market is a HUGE market and the supplement sector in particular
abounds with unsubstantiated claims and overly expensive products. In
addition, the
FDA has found two dozen weight loss products with carcinogens,
controlled substances and other dangerous additives. In my opinion, it's far
safer to go with a name brand supplement for one ingredient that you know has a
proven research track record.
I would also recommend extreme caution with some of the prescription drugs for
weight loss, especially Alli and Xenical, both of which use orlistat as their
active ingredient. Among the side effects, which unfortunately aren't all
that uncommon, are rectal bleeding, anal leakage and kidney and liver problems.
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I cannot think of any good reason to use these when there are so many excellent
over-the-counter supplements available with much a much safer
profile. Below I
have given you a nice summary of the products that really work. Yes, as
always, I'm trying to save everyone a lot of wasted time and money.
Keep in mind that none of these products are a substitute for diet and exercise
when it comes to dropping those pounds. The list below should be looked at as an
aid or a help, not as an end in itself.
And remember: be serious about losing those pounds. Those
Love
Handles Can Be Deadly.
CAUTION: Talk to your doctor if you have any medical conditions.
1) Irvingia. There is an interesting new weight loss supplement
called Irvingia that
looks extremely promising. [1] One study found that, with no change in diet,
study participants dropped 28 pounds in 10 weeks. This is a
phenomenol amount of weight loss and is doubly remarkable because those in the
study continued to eat as they always ate! What is even more remarkable
about this supplement is that it lowers glucose, cholesterol, LDL and CRP
(inflammation). A previous study found that it also dramatically lowered
triglycerides. [2] In other words, not only does it drop weight, which is
the cause of so many health issues, but it also lowers most of the key markers
for heart disease. One of the key ways that it works is by lowering leptin,
which is a hormone that signals your body to basically store fat. Leptin
is also key to appetite control and so this also helps moderate hunger as well.
It also inhibits the amylase enzyme, which converts starches to sugars in the
intestine. In other words, it seems to almost magically help virtually
every metabolic pathway dealing with weight retention. The only caution that I have is that you should talk to your
doctor first, of course, and realize that this is a very new supplement, i.e. there is not a lot
of history at this point. It may effect digestion, absorption or any number of
metabolic processes.
2) Green Tea. Several studies show that Green Tea or its extract raises
metabolism, i.e. burns more calories. [3]
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3) Caffeine. A couple of studies show good ol' fashioned caffeine increases metabolism and
calorie-burning. Don't go crazy though as it can interfere with your
Sleep and sleep can raise appetite and make you too
doggone lazy to exercise among other things. [4]
4) Capsaicin, Green Tea and CH-19 Sweet Pepper. Several studies show this
combination is a powerful fat burner with no significant side cardiovascular
side effects. [5]
5) Capsaicin, Green Tea Extract (w/ Caffeine), Tyrosine, and Calcium. This
combo was found in one European study to be a potent fat burner. [7] In
fact, it increased daily energy expenditure by 2%!
6) Calcium Pyruvate. Most studies show this fat-metabolizing
compound, if ingested in quantities greater than 6g/day, does help participants
lose modest amounts of weight. [6]
7) CLA. Several studies show positive fat loss results. [8] How does
this weight loss supplement work? CLA interferes with lipoprotein lipase
that helps store fat in your body and even helps your body use existing fat
stores more efficiently. CAUTION: One animal study showed that CLA caused
accumulation of fat around the liver, potentially increasing or exacerbating
insulin resistance. [11]
8) L-Arginine. Arginine has been shown to promote weight loss. If you
are not eating much meat (or nuts), you may want to consider supplemental
L-Arginine. See my link on a
What L-Arginine Can Do For You and Potential Side
Effects.
9) Glucomannan. This is another weight loss supplement that started
with somewhat mixed results because the sample size of the studies were all
comparatively small. One recent meta-analysis aggregated the results and
found that glucomannan was effective as a weight loss supplement. [9]
Furthermore, similar to Invingia, this product also improves many cardiovascular
makers: the study above found that glucomannan also significantly lowered
triglycerides, total cholesterol and LDL. It apparently works by slowing
absorption of glucose and cholesterol from the intestines. Again, you can
buy this at a greatly discounted price through Amazon. For example, one
well known distributor, Nature's Way is about half off: Nature's Way Glucomannan Capsules, 100-Count Bottle
.
10) Calcium. Scientists are not sure why it works, but several studies (on
women) show Calcium accelerates weight loss. For example, one study showed
participants lost 4.43, 3.46 and 3.89 pounds, respectively, on high milk, soy
milk and supplemenatal calcium versus 2.87 pounds for controls. [10]
CAUTION: Guys must be careful not to have too much Calcium, as it elevates
calcitrol levels, which have been linked to prostate cancer. And soy probably
deserves caution as well, as it has been linked to brain shrinkage in males.
YOUR GUESS IS AS GOOD AS MINE: Hoodia and Bitter Orange Extract have no
well-controlled studies backing their claims of being a fat metabolizer and
appetite suppressor, respectively. You can certainly try them but just
realize it is guesswork, not science, at this point.
CAUTION: Most studies show that you should not buy Chromium Picolinate or
Carnitine for weight loss, i.e. they are ineffective. These supplements do
actually have other good uses, but weight reduction is not one of them.
HCA is in the same category by the way: one study at least showed no
improvement in appetite or weight loss for the participants.
REFERENCES:
1) Nutr J, 2008, submitted
2) West Afr J Med, Apr-Jun 1990, 9(2):108-115
3) Amer J Coll Nutr, 2007, 26(4):389S-395S; Obesity, 2007, 15(2):349-355;
Physiol Behav, 2008, 93(3):486-491
4) Obesity Research, 2005, 13(7):1195-1204
5) Clin Nutrition, published online Apr 2009, "Effects of capsaicin, green tea
and CH-19 sweet pepper on appetite and energy intake in humans in negative and
positive energy balance"
6) Nutrition, 1999, 15(5):337-340
7) Eur J of Clin Nutr, May 2005 (online),59:733–741
8) J Nutr, 2007, 137(5):1188-1193; Br J Nutr, 2007, 97(3):550-560
9) Amer J of Clin Nutr, Oct 2008, 88(4):1167-1175
10) Nutrition, Metabolism and Cardiovascular Diseases, Received 17 July 2009;
revised 17 November 2009; accepted 28 November 2009; Available online 12 March
2010, "Comparison of the effects of cows' milk, fortified soy milk, and calcium
supplement on weight and fat loss in premenopausal overweight and obese women"
11)
http://www.news-medical.net/news/2007/01/30/21608.aspx