GNC Total Lean Burn 60 Review

GNC Total Lean Burn 60

Everyone has their own goal when it comes to working out, but many people try to modify their routines with metabolic products designed to help them realize their purpose faster or lose weight more effectively. With its Burn 60 pills, GNC says it can improve caloric burn rates and energy levels by augmenting metabolism on a cellular level. I decided to find out how accurate these claims were.

How Does It Supposedly Work?

GNC’s product descriptions say Total Lean Burn 60 incorporates a clinically proven thermogenic formula. According to data published by the company,[1] a randomized, double-blind, crossover study conducted with 22 men and women demonstrated that those who used the formula burned around 60% more calories for up to an hour after their workouts.

A Word on Thermogenics

The idea behind thermogenics seems pretty straightforward, and there are some clinical trials and university studies that support the concept.[2] Thermogenic substances tend to make cells produce heat, and because this heat generally corresponds to expended energy, many athletes use the principle to get toned. Nonetheless, it’s important to remember people can experience widely varied results with fat burners.

For instance, substances like conjugated linoleic acid, or CLA, and capsaicin, the component responsible for a hot pepper’s spicy aspect, have been clinically shown to promote fat burning,[3] but there’s an upper limit to how much of these nutrients you can absorb and use. If your diet is already high in the ingredients found in Total Lean Burn 60, adding more may not have any effect.

What’s Inside

Fortunately for those who love all things natural, Total Lean’s active ingredient list doesn’t seem to be too bad:

Guarana seed extract: Like many similar plant extracts, the guarana used here has a significant amount of naturally occurring caffeine. Although this can boost your energy, and WebMD notes that it improves weight loss,[4] it’s definitely not for everyone. Amazon reviewers reported extra perspiration, and caffeine is a known diuretic, so it’s probably wise to take this supplement with extra water. In high quantities, the caffeine in guarana can also cause bowel irritation or agitation, although numerous Amazon reviewers said they didn’t experience any jitters.

Black tea leaves extract: The same issues I discussed with guarana apply here; black tea leaves are noted for their high caffeine content.[5]

MegaNatural grape extract: Some studies suggest that grape seed extract may reduce bad cholesterol and promote good cholesterol.[6] On the other hand, this proprietary blend doesn’t make it clear exactly how much actual grape ingredient is contained in each pill.

Dill weed and ginger root extract: According to WebMD, these substances may reduce the muscle tension your extra-intense workouts generate, but the jury’s still out on their efficacy. Pregnant women should avoid these ingredients.


Some reviewers were disappointed to find out this product contains sucralose as well as dyes like FD&C Red 40 and FD&C Yellow 20. The FDA and the World Health Organization have approved these substances for years, but some preliminary studies performed by Duke University may suggest that overconsumption could lead to adverse effects on gut bacteria,[7] and some people simply don’t like artificial sweeteners. Vegans and vegetarians, however, will be pleased to note the pills contain cellulose instead of gelatin.

How Does It Taste?

GNC produces Total Lean Burn in a natural cinnamon flavor. At the time of this review, I haven’t seen any other varieties, but I’ll keep you updated as soon as I find out about any.

Do I Have To Use It Regularly?

Naturally derived products like these aren’t designed to remain in your system for very long. They also won’t work if you’re not willing to do exercise.

According to reviews on Amazon and the manufacturer’s instructions, people who take 2 pills about 30 to 60 minutes before a workout experience better results. GNC also recommends people consume the pills with water before eating breakfast on non-workout days, but the company cautions against usage before bedtime.

What Kind of Exercise Do I Need to Do?

Unfortunately, GNC isn’t forthcoming about the kinds of exercise you should do to maximize your fat-loss results with these pills. From the user reviews I found, however, most thermogenic supplements are more effective when you do cardio-heavy routines.

When Shouldn’t I Use This?

GNC notes you shouldn’t use Lean Burn within 2 weeks of having surgery. If you’re taking any medication, you’re pregnant, under age 18 or you have another medical condition, make sure to ask a doctor before you start using any burn-enhancing products.

The Final Verdict

GNC Total Lean Burn has some promising features, and if you’re into serious aerobics, you probably won’t have a problem integrating it into your routine. On the other hand, this may not be the best product if you don’t want to consume a lot of caffeine, or you’re not ready to bump your workouts to the next level of intensity.

While the fact you have to take the pills on a regular basis is somewhat inconvenient, the chance to get more out of your exercise may just be worth it. At $36.99 for 60 tablets, at least you won’t have to break the bank to give it a try.

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