How Much Sugar a Day is Too Much?

by Sarah Pope MGA | Affiliate linksComments: 14

how much sugar a day
How much sugar a day should a person consume? How many sweets is too much? These simple questions have no doubt crossed the mind of anyone who has ever considered or certainly attempted to eat a nutritious diet!

For those raising children, this question takes on even more urgency. Excessive sweets in a toddler or adolescent’s diet can contribute to many health challenges including learning difficulties, obesity, depression, hormonal imbalance, and the list goes on. (1,2)

What Counts as Sugar?

Let’s define exactly what sugar is before attempting to identify how much per day is excessive.

Sugar is not just the granular white refined stuff that you buy at the supermarket to make homemade cookies.

Sugar is any calorie-containing substance that stimulates the sweet tastebuds on the tip of the tongue.

This means that there are several different types of sugar. Common examples include sucrose, fructose, and glucose.

Other less familiar types are dextrose, maltose, and galactose.

The bottom line is that sugar comes in many different forms, and they all count when answering the “how much sugar per day” question.

Refined vs Unrefined Sugar

The big difference between refined and unrefined sugar is the nutritional value.

When a particular source of sugar is refined, the nutrients are partially or completely removed. Don’t get refining confused with processing, however,

White sugar and high fructose corn syrup are processed and refined, meaning they offer only calories and zero nutrition.

On the other hand, blackstrap molasses and maple syrup are definitely processed sugars, but all the nutrients are intact. Hence they are considered unrefined despite the high heat necessary to process them.

Unprocessed and unrefined sweeteners like raw local honey not only contain nutrients like unrefined sugars, but they also contain probiotics and enzymes.

Ideally, your choice of sugars should fall under the unprocessed and/or unrefined categories.

Fruit Counts!

Sorry to break the bad news, but fruit and fruit juice (even if freshly squeezed) counts toward a person’s daily sugar intake too.

While fructose does not affect blood sugar as drastically as sweeteners that break down into glucose, it still affects immunity.

So, even if you only eat whole or dried fruit, you still need to watch out that you don’t overconsume!

This is especially important for young children.

It is very easy for a young child to eat a lot of sugar even with no processed foods in the diet!

Thus, significantly reducing or eliminating fruit juice is a very big step forward to protect their health. (3)

As a bonus, eliminating juice may have the added benefit of naturally resolving issues with canker sores.

This doesn’t mean the fruit juice has no place in the diet whatsoever. A small glass of fresh pressed juice on occasion is fine. In addition, I use diluted, freshly squeezed juice during illness or to naturally bring a fever down when the appetite might be suppressed.

How Much Sugar in a Banana, Apple or Orange?

A medium sized, ripe apple contains about 19 grams of fructose based sugar.

Navel oranges? About 23 grams each.

A medium sized, ripe banana contains about 14 grams of fructose.

By comparison, 3 oreo cookies contain 14 grams of sugar — exactly the same as a banana!

Does this mean the sugar in a banana and 3 oreo cookies is exactly the same?

Essentially yes it does. However, the banana offers nutrition in the form of vitamins and minerals whereas the oreo cookies offer only empty calories.

The bottom line is that just because you are getting nutrition with your sugar source doesn’t negate the fact that you are still eating sugar.

Daily Sugar Intake

Now that we’ve established some ground rules on exactly what counts toward the “how much sugar per day” total, let’s answer the question!

For a healthy adult that is free of chronic disease, it is best to stay at or below 36 grams of sugar per day from ALL sources.

According to Tom Valentine in his classic anthology Search for Health, significant immune system suppression begins to occur above 36 grams daily for adults.

He goes on further to say that once the immune system is depressed from a single 24-hour period of eating too many sweets, the effects of reduced immunity can last an additional 24-72 hours. (4)

And, the more you exceed the 36 grams threshold, the more immunity goes into the tank.

Ever wondered why colds or flu tends to hit right after a sugary filled holiday?

Yes, exactly! All that sugar suppressed the immune system and so whatever bugs are floating around at the time have an easier time taking hold.

Thus, those who regularly consume more than 36 grams of sugar day in and day out are walking around with perpetually depressed immunity.

For children under the age of twelve, half of the adult amount (no more than 18 grams of sugar) per day from all sources is a rule of thumb I’ve always followed based on Mr. Valentine’s research.

This isn’t much is it? A single apple already hits the upper limit of sugar per day for a young child!

Does keeping sugar intake to 36 grams or less per day from all sources seems unattainable? It isn’t as difficult as you might think at first. Check out my guide to getting sugar under control for a straightforward 4 step process.


(1) Sugar in Infants, Children and Adolescents: A Position Paper of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition Committee on Nutrition
(2) The Relationship between Diet and Mental Health in Children
(3) Fruit Juice in Infants, Children, and Adolescents: Current Recommendations
(4) Search for Health

Posted under: Sweeteners

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