YOUR QUESTIONS ANSWERED: Does dietary fiber contain calories?

Now there is a question for the ages. Here at Get That Supplement! I care about healthy living and making sure that what goes into my body is healthy and moves things along (See what I did there?…) With the benefits of dietary fiber including things like making you feel full and lowering cholesterol, I want to make sure that a simple thing like additional calories is not getting in the way of all the health benefits it has.


So getting fiber is good and calories are bad, but are there really calories in dietary fiber?

Yes, there are some calories in dietary fiber and you will often see that set out in the labels or descriptions of the top dietary fiber supplements. The thing about those calories is that while they are contained in the fiber from fruits, legumes and other vegetables, they are not often converted into energy (the ultimate goal of a calorie and what makes us fat) and therefore they do not technically count, because as there is no absorption.


There are calories!!! Noooo! Well, how many of them are there?

Luckily for you, most of the bigger brands of dietary fiber supplements list the number of calories that they have in the mixtures. This allows you to count the calories if you are slightly obsessed with doing so. Here is a quick breakdown of the calories and fiber in some of the top dietary fibers we have in our store:


Dietary Fiber

Serving Size Grams of fiber

Num of calories

Metamucil Sugar-Free

2 Tsps



Now Foods Psyllium Husk Powder

3 Tsps



Organic India Whole Husk Psyllium

3 Tsps



Kirkland Signature OPTIFIBER

2 Tsps



Garden of Life Organic Fiber

7.5 Tsps



Thorne Research – Medibulk – Gluten-free Fiber

3 Tsps



Bulksupplements Pure Psyllium Husk Powder

1.5 Tsps



Vitafusion Fiber Well Fit Gummies

2 Gummies



In summary:

Hopefully, the table above will help you see which dietary fiber has the lowest number of calories per serving if that is really what you are after. But remember that it is almost insignificant in your diet and won’t go far in helping with the weight loss. The positive effect of a dietary fiber where it makes you feel full is much more important as it will go a long way to making sure that you do not overeat at meals and in turn, keep the weight down.

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