GNC Total Lean CLA PM Reviews

GNC Total Lean CLA PM

GNC says Total Lean CLA maintains lean muscle mass and supports metabolism. Now, GNC Total Lean CLA PM supposedly adds stimulant-free support for a better night’s sleep.

Sleep and weight loss go hand in hand. Sleep loss may cause you to eat unhealthy food for quick energy, resulting in weight gain. So, if you’re struggling with weight loss and difficulty sleeping, GNC Total Lean CLA PM could be the diet pill for you.

But does this supplement actually do the difficult task of supporting both weight loss and sleep?

What’s in GNC Total Lean CLA PM?

GNC Total Lean CLA PM is made of ingredients that either promote weight loss or sleep.

CLA (3.40 g). CLA is the key weight loss ingredient in CLA PM. In one study, CLA lowered BMI and total adipose mass (abdominal fat) without altering lean mass. [1] Results such as this encourage supplement companies to claim CLA reduces belly fat, but results may vary.

CLA is also touted to have additional benefits, such as increasing metabolic rate and lowering insulin resistance. [2] Many studies agree CLA could be beneficial to weight loss and glycemic control.

Rest and Relaxation Complex

Valerian Root Extract (100 mg). Valerian benefits sleep structure and sleep perception. For those with mild insomnia, Valerian is a good alternative to heavy sleep aids. However, it may cause stomach upset, headache, or morning grogginess.

Its effects become stronger over time, so valerian results are best after a short time period rather than after the first use. [3]

L-Theanine (50 mg). Theanine is an amino acid found in green tea. In one clinical trial, boys with ADHD who consumed l-theanine had higher sleep percentage and efficiency scores. [4] But a theanine study on rats found there were no statistically significant effects on body weight. [5]

Lemon Balm Leaves Extract (50 mg). According to WebMD.com, lemon balm contains chemicals that exert a calming effect. In one study, a valerian/lemon balm combination promoted better sleep quality and was well tolerated by subjects. [6] Fortunately, lemon balm is likely safe to take short-term.

Hops Flower Herb Powder (50 mg). Together with valerian, hops reduced sleep latency in insomnia patients. [7] Interestingly, the same results were not seen with valerian alone, indicating the hops/valerian combination can be beneficial for sleep.

Passion Flower Herb Powder (50 mg). Passion flower improved sleep quality in forty-one subjects. [8] However, the study only lasted one week, so passion flower’s effect on sleep still lacks significant scientific evidence.

Restore and Recover Complex

Gelatin (50 mg). A protein made from animal products, gelatin strengthens bones and joints. Its effect on weight loss is not yet fully determined, although it did promote satiety, and thus reduce food intake, as part of a controlled study. [9]

Alpha Lipoic Acid (10 mg). Alpha lipoic acid exerts anti-oxidant and anti-inflammatory effects, which could indirectly assist weight loss. In one study, rabbits were fed high-cholesterol chow for 6 weeks. When alpha lipoic acid was added to their diets, they lost weight. [10]

L-Methionine (10 mg). This amino acid supplies sulfur and methyl, which is used to transform food into energy. Methionine also changes fat-soluble toxins into water-soluble waste. [11]

Silica (4 mg). Silica is added to supplements in order to promote powder flow. Long-term silica supplementation could destroy vitamin B1. Vitamin B1 deficiency leads to loss of muscle control and paralysis. [12]

Horsetail Rush Stems Extract (3 mg). Horsetail contains silica, which adds to potential side effects. Horsetail extract is also used as a diuretic, but this eliminates water weight instead of fat. [13]

Boron (2 mg). Boron generally doesn’t live up to its claims. In one study, it did not increase testosterone, lean body mass, or strength. [14]

Lutein (950 mcg). An important part of the diet, lutein is found in fruits and vegetables and promotes eye health. Many multivitamins include lutein.[15]

Is GNC Total Lean CLA PM Safe to Take?

CLA PM may be safe to take for a short time, but most ingredients are not proven to be safe long term. In particular, long term silica use could lead to serious problems, such as loss of muscle control. Other CLA PM side effects include stomach upset, headache, and grogginess.

The label instructs you to take four softgels each night before bed. But, I suggest starting out with a smaller dose and assessing tolerance before taking the full dosage.

Do People Like CLA PM?

This is a hard question to answer, as reviews on this new product are scarce. Total Lean CLA (the daytime version) has received mixed reviews. 90% of users on GNC.com would recommend it to a friend, but results may be skewed as this is a product promoted by GNC.

How Much Does CLA PM Cost?

CLA PM is $39.99 at GNC.com and $31.95 at Amazon.com. This is a reasonable price for a supplement that will last for a month.

Should I Buy GNC Total Lean CLA PM?

GNC Total Lean CLA PM is a new product that has yet to prove its effectiveness and safety. I would choose a different diet pill that’s clinically-shown to work over time.

References

[1] Norris LE et al. “Comparison of dietary conjugated linoleic acid with safflower oil on body composition in obese postmenopausal women with type 2 diabetes mellitus.” Am J Clin Nutr. 2009; 90 (3): 468-76. Available from: http://www.ncbi.nlm.nih.gov/pubmed/19535429

[2] Mary Shomon. “Conjugated Linoleic Acid (CLA) Supplements May Speed Weight Loss.” About.com. 2003. Available from: http://thyroid.about.com/cs/dietweightloss/a/cla.htm

[3] Jeanie Lerche Davis. “Sleep Supplements: Melatonin, Valerian, and More.” WebMD.com. Available from: http://www.webmd.com/vitamins-and-supplements/lifestyle-guide-11/natural-good-sleep-tips-on-melatonin-valerian?page=1

[4] Michael R. Lyon, MD et al. “The Effects of L-Theanine (Suntheanine) on Objective Sleep Quality in Boys with Attention Deficit Hyperactivity Disorder (ADHD): a Randomized, Double-blind, Placebo-controlled Clinical Trial.” Alternative Medicine Review. 2011; 16 (4): 348-354. Available from: http://www.altmedrev.com/publications/16/4/348.pdf

[5] J.F. Borzelleca et al. “A 13-week dietary toxicity and toxicokinetic study with L-theanine in rats.” Food and Chemical Toxicology. 2006; 44 (7): 1158-1166. Available from: http://www.sciencedirect.com/science/article/pii/S0278691506000949

[6] A. Cerny; K. Schmid. “Tolerability and efficacy of valerian/lemon balm in healthy volunteers (a double-blind, placebo-controlled, multicentre study).” Fitoterapia. 199; 70 (3): 221-228. Available from: http://www.sciencedirect.com/science/article/pii/S0367326X99000180

[7] U. Koetter et al. “A randomized, double blind, placebo-controlled, prospective clinical study to demonstrate clinical efficacy of a fixed valerian hops extract combination (Ze 91019) in patients suffering from non-organic sleep disorder.” Phytotherapy Research. 2007; 21 (9): 847-851. Available from: http://onlinelibrary.wiley.com/doi/10.1002/ptr.2167/abstract

[8] A. Ngan; R. Conduit. “A Double-blind, Placebo-Controlled Investigation of the Effects of Passiflora incarnate (Passionflower) Herbal Tea on Subjective Sleep Quality.” Phytotherapy Research. 2011; 25 (8): 1153-1159. Available from: http://onlinelibrary.wiley.com/doi/10.1002/ptr.3400/abstract?deniedAccessCustomisedMessage=&userIsAuthenticated=false

[9] Veldhorst MA. “A breakfast with alpha-lactalbumin, gelatin, or gelatin + TRP lowers energy intake at lunch compared with a breakfast with casein, soy, whey, or whey-GMP.” Clin Nutr. 2009; 28 (2): 147-55. Available from: http://www.ncbi.nlm.nih.gov/pubmed/19185957

[10] Zhekang Ying et al. “Lipoic acid effects on established atherosclerosis.” Life Sci. 2010; 86 (3-4): 95-102. Available from: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3075920/

[11] Phoebe Strauss. “What is Methionine Good for?” LiveStrong.com. 2011. Available from: http://www.livestrong.com/article/533376-what-is-methionine-good-for/

[12] Elizabeth Thatcher. “Side Effects of Silica Supplements.” LiveStrong.com. 2011. Available from: http://www.livestrong.com/article/288425-side-effects-of-silica-supplements/

[13] Sarah Terry. “What is Horsetail Extract Good For?” LiveStrong.com. 2011. Available from: http://www.livestrong.com/article/152499-what-is-horsetail-extract-good-for/

[14] Ferrando AA; Green NR. “The effect of boron supplementation on lean body mass, plasma testosterone levels, and strength in male bodybuilders.” Int J Sport Nutr. 1993; 3 (2): 140-9. Available from: http://www.ncbi.nlm.nih.gov/pubmed/8508192

[15] “Lutein.” WebMD.com. Available from: http://www.webmd.com/vitamins-supplements/ingredientmono-754-LUTEIN.aspx?activeIngredientId=754&activeIngredientName=LUTEIN


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