The gut–skin axis explained: how SCFAs, gut health, and simple habits give you glowing midlife skin.

The Gut–Skin Axis: Why Your Glow Starts in Your Gut (Not Your Makeup Bag)

December 11, 20255 min read

Have you ever looked in the mirror and thought, “Umm… excuse me? When did that happen?”
The dryness. The redness. The dullness. The “my face feels tired even when I slept” vibe.

Here’s the plot twist nobody told us in our 30s:
Your skin isn’t aging in a vacuum — your gut is heavily involved.

Yep. Your gut and your skin are basically on a group chat together. And in midlife, that chat gets a little… louder.

Today we’re breaking down the gut–skin axis, the short-chain fatty acids (SCFAs) your skin loves, and why taking care of your microbiome might be the most powerful beauty routine you’ve never tried.

And don’t worry — I’ll make this simple, sciencey-but-not-scary, and absolutely doable.

Book a free call to get help with your midlife needs.

The Gut-Skin Axis: The Quiet Connection You Rarely Hear About

Let’s keep this at a 7th-grade level (because your brain has enough tabs open already).

Your gut is filled with trillions of tiny microbes.
Think of them as:

  • Your personal cleaning crew

  • Crowd control

  • Hormone helpers

  • Mood managers

  • Glow-up assistants

When that system gets irritated (hello sugar, stress, poor sleep, hormone swings, and midlife madness), you see the effects in places far from your stomach — including your skin.

Signs Your Gut May Be Messing With Your Skin

  • Dryness that no moisturizer can fix

  • Irritation or redness

  • Acne-like bumps

  • Dullness

  • Fine lines that look deeper overnight

  • Slow healing

  • “I don’t look like myself”

  • Skin feeling thinner or more reactive

Spoiler: It’s not just aging. It’s inflammation. And your gut controls a LOT of that.

The skin-gut axis and short-chain fatty acids

Short-Chain Fatty Acids: The MVPs of Your Skin & Gut

Let’s talk about SCFAs — acetate, propionate, and butyrate.

These little guys are produced by your gut bacteria when you eat fiber and fermented foods.

SCFAs help:

  • Reduce inflammation (your skin LOVES this)

  • Support collagen + elastin

  • Improve skin barrier strength

  • Speed healing

  • Reduce redness

  • Support the gut–brain axis (mood + skin are linked!)

  • Promote youthful, plump skin

  • Slow signs of aging

Basically: If your gut is thriving, your skin glows. If your gut is cranky, your skin tattles.

And in midlife, when estrogen drops, stress rises, and digestion changes, SCFAs matter even more.

Get your energy back on track for just a buck!

Where to Get SCFAs
(No Deep Science Degree Required)

You don’t need to overhaul your life — just add a few foods that help your gut bacteria thrive.

Foods that boost SCFAs naturally:

🌾 Whole grains (oats, barley, brown rice)
🫘 Legumes (lentils, chickpeas, black beans)
🫐 Fruits (apples, berries, citrus)
🥦 Vegetables (broccoli, kale, carrots, sweet potatoes)
🥜 Nuts & seeds (almonds, flax, chia)
🥛 Fermented foods (yogurt, kefir, sauerkraut, kimchi)
🔥 Resistant starches (cooked & cooled potatoes or pasta)

This is why fiber is QUEEN for midlife women.

But… sometimes food alone isn’t enough (especially when your hormones are roller-skating through your digestive system).

And this is where…


My Nurse-Backed Microbiome Support Tools (The Ones I Trust)

Here’s what I personally use (and recommend) to help women boost SCFAs, improve gut health, and support glowing skin:

✨ Arbonne Digestion & Microbiome Support Sticks

Think of these as daily gut love. Helps digestion, bloating, and balance. The first product that made me fall in love with Arbonne's Healthy Living line in 2015!

✨ Green Synergy Elixir

A powerhouse for gut + skin. Polyphenols + supergreens = more SCFA production. This one combines the Digestion pre/pro/enzymes with a serving of Greens and a dose of the Skin Elixir. A 3-for-1 whammy to check multiple boxes with one product. (PS, we had greens long before all these other companies showed up on the scene!)

Arbonne's Gut Health products help your gut AND your skin.

✨ Prebiotic Fiber

This is literally food for good gut bacteria. More prebiotics = more SCFAs. No flavor or texture. I mix it in my morning shake or my bedtime tea.

✨ Omnigut Daily Capsule

A gentle, daily way to support microbiome health and gut lining integrity. I take this one at bedtime. It's got 12 billion CFUs and it's different strains than the other products.

✨ Fast Melt Probiotic Sticks

A quick, delicious probiotic that supports digestion, immune function, and skin clarity. I keep these in my purse in case something disagrees with me while I'm away from the house.

Soothe the bloat and help your skin glow with Arbonne gut health.

Midlife skin needs inside-out support, not just expensive creams.
The gut is your glow generator — and these help flip the switch.


The Gut-Skin Reset for Midlife: A Simple Plan

Here’s a doable routine for the busiest, most overwhelmed woman (aka: all of us):

Morning:

  • Drink water

  • Add Prebiotic Fiber to your shake or yogurt

  • Add Green Synergy Elixir to water (hello antioxidants) OR Add Digestion & Microbiome Support Stick to your water or shake.

Afternoon:

  • Take Fast Melt Probiotic (tastes like a treat) if you're experiencing any gut discomfort

Evening:

  • Eat a fiber-rich dinner

  • Take Omnigut Daily after dinner or at bedtime

Daily Goal:
Add ONE fiber-boosting food to your plate.

That’s it. No chaos. No perfection. Just small, gut-loving wins.

Your skin will thank you. Your mood will thank you. Your digestion will absolutely thank you.

Watch new episodes every Monday!

Your Glow Starts in Your Gut

If your skin has been acting dry, dull, irritated, tired... it’s not “just aging.”
It’s your gut waving a little white flag.

The gut–skin axis is powerful.
SCFAs are powerful.
Midlife women who understand their bodies? Unstoppable.

You can glow again.
You can feel energized again.
You can feel like YOU again.
And supporting your microbiome is one of the simplest places to start.


What's Next?

Want personalized gut support?
DM me GUT RESET and I’ll help you build a simple, nurse-backed plan.

Or shop the Arbonne gut health tools I trust — your skin will feel the difference.

And if you’re ready to reclaim your energy, confidence, and clarity?
Apply for 1:1 Unmute Your Midlife Coaching — your future self will thank you.

Joyce McCall is a nurse, author, wellness coach, midlife educator, and founder of reJOYCEful Living. She helps women struggling with the messy midlife transition regain their identity, confidence, and wellness again so they can feel valued, vibrant, and purposeful.

Joyce McCall, RN, BSN

Joyce McCall is a nurse, author, wellness coach, midlife educator, and founder of reJOYCEful Living. She helps women struggling with the messy midlife transition regain their identity, confidence, and wellness again so they can feel valued, vibrant, and purposeful.

Instagram logo icon
Youtube logo icon
Back to Blog