Blood Sugar, Cholesterol, and the Hormone Connection No One Explains
If there’s one conversation I find myself having on repeat in my practice, it’s this one. Not hot flashes. Not mood swings. Blood sugar.
It comes up when we’re talking about PMOS. It comes up when we’re talking about postpartum recovery. It comes up, especially, when we’re talking about perimenopause, because somewhere in the last few years, your afternoon energy crash stopped being “just a busy week” and started being a pattern. The cravings got louder and the number on your labs started creeping. Somewhere along the way, someone probably told you it was “just hormones,” or “just getting older,” and left it at that.
I want to do better than that today. Because blood sugar and cholesterol aren’t side conversations to hormone health, they’re deeply and physiologically tangled up in it. And once you understand the mechanics, you have real leverage. Not through restriction, through food.
The part where insulin actually does its job
Every time you eat carbohydrates, your blood sugar rises, and your pancreas releases insulin to usher that glucose out of your bloodstream and into your cells. In a well-regulated system, this is smooth and almost invisible: a small rise, a small response, back to baseline within a couple of hours.
The trouble starts when this happens too often, too intensely, without enough support from protein, fiber, and fat to slow it down. Do that meal after meal, and your cells can start to become less responsive to insulin’s signal through a state called insulin resistance. Your pancreas compensates by producing even more insulin to get the same job done and that cycle contributes to fatigue, stronger cravings, stubborn weight (especially around the midsection), inflammation, and (this is the part that matters for today) changes to your cholesterol.
Here’s why this hits differently depending on where you are hormonally. Estrogen and progesterone both influence insulin sensitivity. During PMOS, insulin resistance is often part of the underlying picture from the start (through a different mechanism than just general insulin resistance). Postpartum, shifting hormones and disrupted sleep can make blood sugar regulation noticeably harder for a while. And in perimenopause, declining and fluctuating estrogen tends to reduce insulin sensitivity on its own, a shift well-documented enough that the American Heart Association issued a formal scientific statement on it, flagging the menopause transition as a distinct window of rising metabolic and cardiovascular risk that deserves earlier attention, not later reaction.¹
None of this is a personal failing. It’s biology responding to a changing hormonal environment. Which also means it can respond to new patterns, too.
Visceral fat: the belly fat that actually matters
I want to pull one thread out of that inflammation-and-insulin-resistance cycle, because it’s one of the most useful things you can understand about your own metabolism: not all body fat behaves the same way.
Subcutaneous fat, the kind you can pinch, sits just under the skin and is, metabolically speaking, fairly quiet. Visceral fat is different. It’s the fat packed around your abdominal organs, and it functions almost like its own endocrine gland. It releases free fatty acids and inflammatory signaling molecules directly into circulation, much of it heading straight to the liver, where it actively interferes with insulin’s ability to do its job.² This is a big part of why waist circumference tends to track more closely with metabolic risk than total body weight does, two people can weigh the same and carry very different amounts of visceral fat.
This also connects directly back to hormones. Estrogen appears to influence where the body preferentially stores fat, which is part of why body composition can shift toward more abdominal, visceral storage during the menopause transition even without a change in overall weight.¹ It’s not in your head, and it’s not simply “getting older.” It’s a measurable shift in where fat is being stored, with real downstream effects on insulin sensitivity.
So how do you actually know how much visceral fat you’re carrying? This is where a DEXA scan can be genuinely useful. Most people think of DEXA as a bone density tool, but modern DEXA machines also estimate visceral adipose tissue (VAT) specifically, not just how much fat you have but where it is. Research validating this technology found that DEXA-derived VAT measurements track closely with more invasive imaging like MRI and CT at the population level, making it a reasonably precise, low-radiation, accessible way to monitor visceral fat over time.³ It gives you something waist circumference and the scale simply can’t: an actual number for the fat that’s doing the most metabolic damage, and a way to track whether your efforts are actually moving that number.
What actually reduces visceral fat
Here’s some genuinely encouraging news, and it’s the part I most want you to walk away with: visceral fat tends to respond disproportionately well to modest changes.
A systematic review looking at dozens of weight-loss studies found that visceral fat is preferentially lost with modest weight loss, meaning that in the early stages of a mild caloric deficit, you tend to lose visceral fat at a faster relative rate than subcutaneous fat. That preferential effect gradually levels out as total weight loss becomes larger.⁴ In plain terms: you don’t need an aggressive, unsustainable deficit to make meaningful progress on the fat that matters most metabolically. A modest, sustainable calorie deficit, paired with adequate protein so you’re not losing muscle in the process, is a reasonable, well-supported place to start.
Movement adds an independent benefit on top of that. A recent meta-analysis of randomized controlled trials found that while both caloric restriction and exercise reduced visceral fat, exercise showed an additional dose-response effect, more weekly activity was associated with progressively greater visceral fat loss, in a way that continued to add benefit at higher volumes.⁵ Diet and movement aren’t competing strategies here. They’re doing different, complementary jobs.
Cholesterol isn’t the villain — the story is more interesting than that
Cholesterol gets blamed for a lot, but your body actually needs it. It’s a building block for your hormones, including estrogen and progesterone, for your cell membranes, and for vitamin D. The real story isn’t “cholesterol is bad.” It’s about balance, and about the behavior of the particles carrying it through your bloodstream.
A quick primer: LDL carries cholesterol out to your tissues, and in excess (particularly when the particles are small and dense) it can contribute to arterial plaque. HDL helps carry cholesterol back to your liver for processing. Triglycerides are a blood fat closely tied to blood sugar regulation: when you eat more refined carbohydrate and sugar than your body needs in the moment, your liver converts the excess into triglycerides.
This is exactly why I don’t separate the blood sugar conversation from the cholesterol conversation. Diets high in refined carbs and added sugar don’t just spike blood sugar, they tend to raise triglycerides and shift LDL toward those smaller, denser particles.
Here’s the part that’s genuinely relevant to hormone health specifically: estrogen has a protective effect on your lipid profile, which is part of why cholesterol markers often shift during perimenopause and menopause even when nothing else about your diet has changed.¹ This isn’t a personal failure of willpower. It’s your hormonal environment changing the rules underneath you, which means your nutrition strategy may need to change with it.
The good news: the same foods support both systems
The dietary pattern that supports healthy blood sugar is, almost entirely, the same pattern that supports healthy cholesterol and a healthier visceral fat trajectory. That’s not a coincidence, it’s because all three systems respond to overlapping signals.
A few things I come back to with almost every client, regardless of what stage they’re in:
Protein and fiber, together, at every meal. Aim for roughly 25–35 grams of protein per meal. It slows glucose absorption and keeps you satisfied for hours, and it protects the muscle you want to hold onto during any caloric deficit. Pair it with fiber (30+ grams a day if you can tolerate it) and you’re doing double duty: fiber slows glucose absorption, and soluble fiber specifically binds to cholesterol in the digestive tract. A recent dose-response meta-analysis of randomized trials found that soluble fiber supplementation measurably lowers LDL cholesterol, with the effect scaling with the amount consumed.⁶
Don’t fear the fat. Healthy fats ( olive oil, avocado, nuts, seeds, fatty fish) slow digestion, blunt blood sugar spikes, and directly support a healthier lipid profile. Omega-3s in particular do real, measurable work here: a continuous dose-response meta-analysis found omega-3 intake meaningfully improves triglyceride levels, with higher intakes associated with greater improvement.⁷
Mind your eating order. Eating vegetables and protein before refined carbohydrates measurably reduces the glucose spike from the same meal. This isn’t a wellness-culture talking point, it’s been shown directly in clinical research on food sequencing.⁸ It sounds almost too simple, but it works.
Move after you eat. Even a short walk after a meal helps your muscles pull glucose out of your bloodstream without needing as much insulin to do it. In one well-cited study, just three 15-minute walks after meals improved 24-hour glycemic control more effectively than one longer walk at a different time of day.⁹
Protect your sleep and your stress load. Cortisol raises blood sugar directly, and just one night of poor sleep can measurably reduce insulin sensitivity the next day. This is where the “it’s all connected” cliché actually turns out to be true.
A few meals that do the work
I get asked constantly for concrete examples, so here are a few of my go-to combinations built specifically around this goal, not as “diet food,” just genuinely good plates made with intention.
Salmon, Lentil & Arugula Bowl (~35g protein, ~12g fiber) Pan-sear or roast 4–5oz salmon with olive oil, salt, and pepper. Whisk together olive oil, lemon juice, Dijon mustard, and garlic for a simple dressing, then toss it with arugula and ¾ cup cooked lentils. Top with the salmon and a few slices of avocado. The salmon brings protein and omega-3s that support healthy triglycerides, the lentils bring soluble fiber and slow-digesting carbohydrate, and the olive oil helps blunt the glucose response of the whole plate.
Steak & Roasted Vegetable Bowl (~35–40g protein, ~9g fiber) Toss broccoli, bell pepper, and a small sweet potato in olive oil and roast at 425°F until tender. Season and sear 5oz of sirloin or flank steak, let it rest, then slice over the vegetables with a drizzle of balsamic. Pairing the sweet potato with steak, olive oil, and fiber-rich vegetables slows digestion and blunts the blood sugar response you’d get from the sweet potato on its own.
Chickpea, Walnut & Herb Salad (~18g protein, ~14g fiber) Combine a cup of chickpeas, ¼ cup chopped walnuts, chopped cucumber and tomato, a bit of crumbled feta, and fresh parsley and mint. Dress with olive oil and lemon juice. This is one of my favorite plant-forward options for cholesterol support specifically — walnuts provide omega-3 ALA and chickpeas bring both fiber and plant protein, a combination linked to healthier LDL levels.
Greek Yogurt, Berry & Chia Bowl (~25g protein, ~11g fiber) Mix a cup of plain Greek yogurt with cinnamon and a splash of milk, then top with mixed berries, a tablespoon and a half of chia seeds, and a small handful of walnuts or almonds. Plain yogurt keeps this breakfast protein-forward without added sugar, chia adds soluble fiber and omega-3s, and berries bring polyphenols with a far smaller glucose impact than a typical sweetened breakfast.
If you remember nothing else
Your blood sugar, your cholesterol, and where your body is storing fat are not something happening to you as some inevitable cost of aging or hormonal change. They’re something you can influence, meal by meal and step by step, in ways that are almost entirely within your reach. Understanding why they’re shifting is what makes it possible to work with your body instead of feeling like you’re fighting it.
If this is a conversation you want to have about your own labs, your own patterns, your own next season of life — that’s exactly what a free 15-minute Connection Call is for. No pressure, no obligation. Just a conversation.
References
El Khoudary SR, et al. Menopause Transition and Cardiovascular Disease Risk: Implications for Timing of Early Prevention: A Scientific Statement From the American Heart Association. Circulation. 2020. pubmed.ncbi.nlm.nih.gov/33251828
Janochova K, Haluzik M, Buzga M. Visceral fat and insulin resistance – what we know? Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2019. pubmed.ncbi.nlm.nih.gov/30398218
Rothney MP, et al. Precision of a new tool to measure visceral adipose tissue (VAT) using dual-energy X-ray absorptiometry (DXA). Obesity. 2013. pubmed.ncbi.nlm.nih.gov/23505194
Chaston TB, Dixon JB. Factors associated with percent change in visceral versus subcutaneous abdominal fat during weight loss: findings from a systematic review. International Journal of Obesity. 2008;32:619–628. nature.com/articles/0803761
Recchia F, et al. Dose-response effects of exercise and caloric restriction on visceral adiposity in overweight and obese adults: a systematic review and meta-analysis of randomised controlled trials. British Journal of Sports Medicine. 2023. pubmed.ncbi.nlm.nih.gov/36669870
Soluble Fiber Supplementation and Serum Lipid Profile: A Systematic Review and Dose-Response Meta-Analysis of Randomized Controlled Trials. Advances in Nutrition. 2023. pubmed.ncbi.nlm.nih.gov/36796439
Association Between Omega-3 Fatty Acid Intake and Dyslipidemia: A Continuous Dose-Response Meta-Analysis of Randomized Controlled Trials. Journal of the American Heart Association. 2023. pubmed.ncbi.nlm.nih.gov/37264945
Shukla AP, et al. Food Order Has a Significant Impact on Postprandial Glucose and Insulin Levels. Diabetes Care. 2015;38:e98–e99. diabetesjournals.org/care/article/38/7/e98
Reynolds AN, et al. Three 15-min Bouts of Moderate Postmeal Walking Significantly Improves 24-h Glycemic Control in Older People at Risk for Impaired Glucose Tolerance. Diabetes Care. 2013;36:3262–3268. pubmed.ncbi.nlm.nih.gov/23761134