Wednesday, July 2, 2025

What happens to your body when you go vegan after 50? Here’s what the research shows

From vegoutmag.com

By Jordan Cooper 

Going vegan after 50 affects more than just your plate—it could quietly reshape your health, energy, and purpose in unexpected ways

Going vegan in your twenties? That’s cool. Going vegan after fifty? That’s powerful.

Your body’s changing, your priorities are shifting, and suddenly, what you eat isn’t just about looking good—it’s about feeling good, aging strong, and avoiding that mid-afternoon energy crash that hits like a rogue wave.

But what actually happens to your body when you ditch the animal products after 50? Is it all green smoothies and glowing skin? Or are there bumps on the road no one talks about?

Let’s break it down with science, a little storytime, and a side of nutrition reality.


Your digestion might hit reset (and yes, there could be some turbulence)

Fibre. The unsung hero of gut health. Most plant-based diets pack in way more of it than the average omnivore meal plan.

A 2022 study published in Nutrients found that older adults who increased fibre intake significantly improved their bowel regularity and gut microbiome diversity within 6 to 8 weeks. That’s great news—but if your pre-vegan diet was more steak than sweet potato, your gut might take time to adjust.

Think: less constipation over time, but maybe a little gas and bloating as your system recalibrates.

Pro tip: Start slow. Gradually add legumes, leafy greens, and whole grains to your meals to give your digestive enzymes time to catch up.

Your inflammation levels may drop

Here’s where things get real: chronic inflammation is a major player in aging-related diseases—think arthritis, heart disease, and even cognitive decline.

Multiple studies, including a 2023 meta-analysis in the Journal of Geriatric Cardiology, have shown that plant-based diets are associated with lower C-reactive protein (CRP) levels, a key marker of inflammation in the body.

That’s because fruits, veggies, nuts, and seeds are loaded with antioxidants and polyphenols—the cellular bodyguards that help calm down inflammation before it wreaks havoc.

Translation: Going vegan could help your joints feel a little less creaky and your immune system a little less overworked.

Your cholesterol and blood pressure could improve

One of the most well-documented benefits of going plant-based—especially later in life—is cardiovascular support.

A 2020 study from the American Heart Association found that adults over 50 who adopted a plant-based diet saw significant reductions in LDL cholesterol (the “bad” kind) and systolic blood pressure within three months.

Why? Because animal products are a primary source of saturated fats, which can clog arteries and spike blood pressure. Plants, on the other hand, bring fibre and potassium to the party—two things that help clear the path and calm the pressure.

Heads-up: Some people see improvements fast, others slower. Keep an eye on your numbers and work with your doctor.

Your muscle mass might be harder to maintain—unless you're intentional

Protein fear is real. Especially when you're over 50, and especially when you're making a major dietary shift.

But here’s the deal: you can get enough protein on a vegan diet—it just requires a little more planning.

As we age, our bodies become less efficient at processing protein, a phenomenon known as “anabolic resistance.” According to a 2021 article in The Journal of Cachexia, Sarcopenia and Muscle, older adults need more protein per kilogram of body weight than younger folks to maintain lean mass.

The trick is to spread protein throughout the day, and prioritise high-quality sources like:

  • Tofu, tempeh, and edamame

  • Lentils and chickpeas

  • Quinoa and amaranth

  • Plant-based protein powders (pea, rice, soy)

Bonus tip: Resistance training (think yoga, Pilates, or lifting weights) paired with plant-based protein is a one-two punch for preserving muscle.

Your bone health needs extra attention

This is one area where you don’t want to wing it.

After menopause (or just with age in general), bone density tends to drop. And yes, some studies have found that vegans may have slightly lower bone mineral density compared to omnivores, especially if calcium and vitamin D aren’t being tracked.

But don’t let that scare you off. According to Harvard Health, getting enough calcium on a vegan diet is totally doable—you just need to know your sources:

  • Fortified plant milks (look for at least 30% DV calcium per cup)

  • Calcium-set tofu

  • Broccoli, kale, bok choy

  • Almonds and sesame seeds

Vitamin D? That might need a supplement, especially if you’re not getting much sun.

And don’t forget magnesium—it helps calcium do its job. Pumpkin seeds, dark chocolate, and leafy greens can help you cover that base.

Your energy might dip… before it skyrockets

If your transition to veganism includes a lot of white bread and not a lot of B12, you might feel tired, lightheaded, or just “off” at first.

B12 is crucial for nerve health and red blood cell formation—and it’s not naturally found in plant foods. That’s why all vegans (not just over-50s) need a reliable source, either through fortified foods or a supplement.

Iron and omega-3s are also nutrients to watch. The non-heme iron in plants is harder to absorb, so pairing it with vitamin C-rich foods (like bell peppers or strawberries) helps. And for omega-3s, flaxseeds, chia seeds, walnuts, and algae-based supplements are your best friends.

Once you’ve covered your bases, many older adults report more energy than they had before—thanks to stabilized blood sugar and fewer animal fats bogging down digestion.

Your taste buds might change (in the best way)

One unexpected perk of going vegan after 50? Your palate sharpens.

When you cut out processed meats, cheeses, and excess salt, your taste buds begin to reset. Suddenly, you can taste the sweetness in a roasted carrot. Or the umami in mushrooms. Or the tang in lemony tahini dressing.

You start craving foods that actually nourish you—and that’s a full-circle win.

The bigger picture: It’s not just about your body

Yes, your digestion, cholesterol, and energy matter. But there’s something else at play here.

Going vegan after 50 can spark a new kind of purpose.

You’re not just eating for your health—you’re voting with your plate. Supporting a food system that’s more sustainable, more compassionate, and less destructive to the planet.

A 2023 report from the UN Environment Programme reinforced that shifting toward plant-based diets could reduce global greenhouse gas emissions by up to 70%. That’s not fringe anymore—that’s mainstream science.

So every plant-based meal? It’s a ripple effect. And you’re making waves.

Bottom line: Here’s how to do it right

Thinking about going vegan after 50? Or maybe you already have and want to make sure your body’s on board? Here’s the quick-hit checklist:

  1. Ease into fibre: Let your gut adjust gradually.

  2. Watch protein intake: Aim for ~20–30g per meal, especially if you’re active.

  3. Cover nutrient gaps: Prioritize B12, calcium, vitamin D, iron, and omega-3s.

  4. Focus on whole foods: Vegan doesn’t automatically mean healthy.

  5. Move your body: Muscles and bones love resistance.

  6. Stay curious: Try new recipes, spices, and ingredients.

  7. See your doctor: Check bloodwork, track progress, adjust if needed.

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