Signs You’re Eating Too Much Sugar (These BLOCK Results!)
15 Dec 2025 · 19 min
This is a transcript of a Well Beyond 40 podcast episode ("Signs You’re Eating Too Much Sugar (These BLOCK Results!)") hosted by JJ Virgin. The episode blends sponsor reads and product promotions with a main health-focused segment describing multiple signs that excess sugar harms health — unstable energy, cravings, difficulty losing weight (insulin resistance), mood fluctuations, acne/skin aging (AGEs), increased belly fat (visceral adipose tissue), weakened immunity — and cites observational and review studies (years and journals referenced). The host intersperses scientific citations, personal anecdotes, and practical recommendations (track waist ratios, cut sugary drinks). The episode closes with standard legal disclaimers and cross-promotion of other podcasts.
Chapters
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I'm JJ Virgin, PhD dropout. Sorry, mom turned four time New York Times bestselling author. Yes, I'm a Certified Nutrition Specialist, Fitness hall of Famer, and I speak at health conferences and trainings around the globe. But I'm driven by my insatiable curiosity and love of science to keep asking questions, digging for answers, and sharing the information I uncover with as many people as I can. And that's why I created the well Beyond 40 podcast to synthesize and simplify the science of health into actionable strategies to help you thrive. In each episode, we'll talk about what's working in the world of wellness, from personalized nutrition and healing your metabolism to healthy aging and prescriptive fitness. Join me on the journey to better health so you can love how you.
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You're dieting and exercising like crazy, but you still can't seem to lose the weight or have the energy you want. That exhaustion and lack of results could be from one sneaky culprit, sugar overload. Now, even if you're avoiding obvious sweets, you might be unknowingly oding on the sweet stuff from unsuspecting sources. If you struggle with any of these issues despite your hard work, it's time to find out how added sugars are blocking your results. So the first one is unstable energy levels. Now if you find yourself riding the energy roller coaster, feeling sky high one minute and boom, crashing the next, it's a classic sign of too much sugar in your diet. This instability often leads to reaching for more sugary quick fixes to regain that energy spike. Now there's two ways that you can get this energy crash and one is obvious. You feel tired and shaky when your blood sugar drops from high to low. But the other one isn't so. There was a 2017 literature review that was published in Food Reviews International found that having unlimited access to sugary drinks can throw up your body's balance of energy, leading to obesity and related health issues. Not a big surprise. Here's what is the research shows that consuming too much sugar disrupts how the body controls its energy intake. It affects the body's peripheral like their fat levels and hormones and central your brain's control center mechanisms, which leads to an imbalance that can lead to weight gain and metabolic problems. The next sign are persistent cravings. When sugar becomes a main fuel source, your body starts to demand it more and more. If you're constantly craving sweets or carbs, consider it a red flag that your sugar intake might be excessive. And what I like to say here is that exposure equals preference. The more sweet you eat, the more sweet you want. We're actually hardwired to seek it out. There was a 2008 review published in Neuroscience and Biobehavioral Reviews that explains the idea of sugar addiction and its effects on behavior and brain chemistry. The main takeaway from this research is that in certain situations, rats can develop a Dependence on sugar, which could have implications for human conditions such as eating disorders and obesity. The study examined whether sugar can be addictive similar to drugs due to its ability to activate brain pathways associated with rewards. Researchers found that sugar can lead to binging, withdrawal and cravings, behaviors linked to changes in brain chemistry. They found that rats with intermittent access to food and a sugar solution can show both a constellation of behaviors and parallel brain changes that are characteristic of rats that voluntarily self administer addictive drugs. So I know there's all this discussion out here that sugar is not addictive, but that's not what I've seen in 40 years of working with clients. Now the next thing is difficulty losing weight. If you are struggling to shed pounds despite all of your best efforts, excess sugar could be the culprit. It not only increases your calorie intake, but it also affects your metabolic pathways, which make weight loss so much harder. And this could be due to a couple of different reasons. Number one is insulin resistance. We know that when you're eating more sugar, your pancreas has to pump out more insulin. And over time, your receptors just don't hear it as much. Insulin stays high, creates inflammation, and when insulin's high, it basically locks the doors to the fat cells. It's very hard for you to burn off stored fat for fuel, which then can lead to increased hunger and increased cravings. Remember, when you eat sweet, you crave sweet. And if your body's used to fueling on sugar, you're going to want more. But if you're insulin resistant, you'll also be hungry. Then of course, we know that you'll have a lower thermic effect of food. That protein has the highest thermic effect by a lot and carbohydrates have only about 5 to 10% thermic effect compared to proteins 20 to 30%. Then you put it into ultra processed foods and it even could have a lower thermic effect. There was a 2019 epidemiological analysis that was published in Economics and Human Biology that investigated the relationship between excess sugar consumption and adult obesity in the United States. Their key takeaway was that the significant increase in adult obesity after 1990 can be attributed to the delayed effects of added sugar calories consumed by children in the 1970s and 1980s. Now overall, the study provides insights into the long term effects of excess sugar consumption on obesity rates. And here is the reality on this. And when I was writing the Sugar Impact Diet, I did all. I dove into the history of sugar and sugar consumption and what I found out was in the 1900s and this is kind of mind blowing. The average person in the United States ate 5 pounds of sugar per year. The obesity rate back then in the population was 1/2 percent. 0.5% of the population was obese. Okay. In the 2000s, we eat over 150 pounds of sugar per person per year. The obesity rate now is over 40%. So correlation causation, what do you think? Now the next one are mood fluctuations. If you are experiencing frequent mood swings, know that sugar impacts your mood by causing quick spikes and drops in blood sugar levels, which can lead to irritation. Right. Or depression. There was a 2017 observational study that was published in the Journal of Epidemiology and Community Health that looked at this relationship between sugar intake from sweet foods and beverages and mental health outcomes. And what they found was that sugar consumption from these sources is associated with an increased likelihood of developing common mental disorders and reoccurrent depression in women over 22 years. They also found that men with the highest sugar intake had a 24% increase of of developing this depression after five years, while women showed a 30% increase odds of recurrent depression with every 30 gram increment in sugar intake. I mean, that is a concerning link between sugar impact and long term psychological health, which indicates that excessive sugar consumption from sweet foods and beverages may contribute to mood disorders. Now I will share a personal story that I will never ever forget. When my kid was in kindergarten and I got the call from school where they said, you, son is climbing the walls, you need to come pick him up. And I go, what the heck happened? And they go, well, he won the Christmas wrapping paper sale contest and so we gave him a pound bag of M&Ms. Now what happens when you give a five year old a pound bag of MMs? Kid eats it and climbs the walls. I felt like saying to them, you keep them. You did that. Now, when I was a teenager, I struggled a lot with acne. So one of the first things I did, which is actually kind of a benefit in disguise, was I quit sugar. And if you're noticing more acne or skin flare ups, sugar might be to blame because it promotes inflammation. And what does that mean that can show up in your skin and disrupt your skin's natural balance. There was a 2020 observational study that was published in the JAMA Dermatology journal that looked at the association between dietary behaviors and adult acne. And the main takeaway from this study is that the consumption of milk, which was one of the biggies for me, I'll tell you. Sugary beverages and fatty and sugary products is associated with current acne in adults. In fact, this study had 24,452 participants and 46% of them reported past or current acne. Again, the researchers found significant associations between current acne and and fatty and sugary products, beverages and milk, which suggests that dietary factors, particularly those high in sugar and fat, may contribute to the development of acne in adults. Here's the bottom line. It's not just acne, it's aging skin too. Because sugar creates something called AGEs advanced glycation end products that is like the crust on bread and that leads to wrinkles and sagging, aging skin. Plus, we know that sugar drives inflammation, that excessive sugar intake can lead to the production of pro inflammatory cytokines. These are the molecules that signal the immune system to initiate an inflammatory response. And one of the things we also know about inflammation is inflammation can create its own risk factor for obesity. And speaking of obesity, sugar intake can cause increased belly fat. And when I talk about belly fat, I am talking about visceral adipose tissue. This is that deep abdominal fat that's associated with a lot of different health risks. So if you're finding that you've got more fat around your midsection, it's time to reassess your sugar intake. It is why I want you doing a waist to hip and waist to height ratio and taking that every single week and tracking the trends here. Because again, it's not what you weigh, it's what that weight's made up of. There was an observational study in 2014 that was published in the Journal of Nutrition that looked at sugary beverages and diet soda and how they affected this belly fat, this visceral adipose tissue. And what they found was that people who consumed sugary beverages tended to have more belly fat, particularly that visceral adipose tissue. At the same time, those who drank diet soda didn't show that same increase in belly fat. And this was over 2,500 middle aged adults. It also was suggested in the study that if you cut back on sugary.
Drinks, it might help reduce belly fat.
I don't know that you need to suggest that. Just cut back on your sugary drinks because not only is it going to get rid of that visceral adipose tissue, that can also reduce your risk of diabetes and heart disease. Because that's one of the things that visceral adipose tissue does, is can drive those. The other thing you might notice if you're doing a lot of sugar is.
That you get sick a lot.
You have frequent colds and flus because too much sugar can suppress your immune system, which then makes you more susceptible to everything going around, the colds and the other infections. So if you're getting sick more often, that sugar habit may be weakening your immune defenses. There was a study, a 2022 epidemiological analysis that was published in Frontiers in Immunology, that high highlighted how high sugar consumption can weaken your immune system. The study showed that high dietary sugars, particularly from beverages and processed foods, disrupted the immune system's ability to fight infections. Specifically, consuming around 75 grams of sugar can impair white blood cells ability to combat bacteria and viruses for up to five hours. That means that even if you follow a healthy lifestyle with good sleep and regular exercise and supplements, too much sugar consumption can compromise your immune system. Here's the other thing. Sugar competes with vitamin C to get into the cells. And this competition occurs because glucose, a form of sugar and the oxidized form of vitamin C share similar transport mechanisms and so high levels of glucose can inhibit the uptake of vitamin C C and decrease those intracellular vitamin C levels. All right, now you know all the nasty signs of excess sugar. It's time to break free for good. Be sure to join me next time for more tools, tips and techniques you can incorporate into everyday life to ensure.
You look and feel great and are built to last.
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Hey JJ here.
And just a reminder that the well Beyond 40 podcast offers health, wellness, fitness.
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