Dear Dietitian – Taking a look at keto supplements

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Published Thursday, August 18, 2022
PICT Leanne McCrate Dear Dietitian
by Leanne McCrate, RDN, LD

Dear Dietitian, 

What is your opinion on keto pills for weight loss? There are so many of them, and they all claim good results. Are they worth trying?

Colleen

Dear Colleen,

Since dietary supplements, like keto (short for ketogenic) pills, are not regulated by the Food and Drug Administration (FDA), you are wise to gather information before buying. Keto supplements have emerged because of the latest fad diet, the ketogenic diet.

The ketogenic diet is a very low-carbohydrate diet. It allows less than thirty grams of carbs daily, although that number may vary slightly. The goal is to put your body into ketosis, where fat is the body's primary fuel. The difference between the keto diet and other low-carb plans is that it emphasizes fat, while other low-carb diets focus on protein.

Carbohydrates are the body's preferred source of energy. In the absence of adequate carbohydrate intake, your body can use fat as its primary energy source. However, in ketosis, it doesn't break down fat efficiently, creating ketone bodies. 

Ketosis is a survival mechanism; it is not your body's normal state of being. It's a process given to us by Mother Nature so the body can survive when food is seriously scarce. For example, if you were lost in the desert for forty days, surviving on bugs, wild berries, and water, your body would go into ketosis until your usual food supply is restored.

The ketogenic pill contains ketone esters and ketone salts. The studies to test the effectiveness of these supplements are few. Manufacturers of these products often claim to be supported by science. In reality, they rely on testimonials and crafty marketing to sell their products. Let's evaluate some of the claims.

  1. Keto supplements will put your body into ketosis without following the ketogenic diet. This claim is false. Ketosis is a metabolic state that must occur in the absence of adequate carbohydrate intake. There is no way around it.
  2. Provides energy- True, ketone supplements will offer a small amount of energy if your body is in ketosis. Some supplements also contain caffeine, which will give you a boost. 
  3. Weight loss-The keto pill itself does not produce weight loss. If calories are sufficiently reduced, you will lose weight.
  4. Reduces appetite- This is possible if the supplement is taken while following the ketogenic diet. However, it is not the ketones that produce this effect. In a normal healthy state, your body sends signals when it's time to eat. You feel hungry; your stomach "growls," or you may feel weak. In survival mode, your body realizes these signals are not being recognized, so it stops sending them.

That said, there is one case in which the keto pill may be useful. If you are on the ketogenic diet and bordering on ketosis, the supplements may help get you there, but only for a few hours. You must take the supplement regularly while severely restricting carbohydrates to remain in ketosis.

As consumers, we must weigh the cost of a product against its benefit. Many ketone supplements are quite expensive. Is it worth the benefit? Remember, we live in a "buyer beware" society. Instead, you may be wise to spend your hard-earned dollars on healthy fruits and vegetables. 

Until next time, be healthy!

Dear Dietitian

Leanne McCrate, RDN, LD, aka Dear Dietitian, is based in Missouri. Her mission is to educate consumers on sound, scientifically-based nutrition. Do you have a nutrition question? Email her today at deardietitian411@gmail.com. Dear Dietitian does not endorse any products, health programs, or diet plans.

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