You’re probably moisturizing, using SPF, and maybe even sipping collagen smoothies. But if you’re not feeding your gut… your skin might still be aging faster than it should.
A 2024 clinical trial brings exciting proof to the beauty-from-within world: supporting your gut microbiome can dramatically improve skin elasticity, firmness, hydration—and even reduce wrinkles. Yep, your probiotic game might just become your new anti-aging routine.
Here’s what the study found (in just 8 weeks!):
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+30.15% skin viscoelasticity — that’s how stretchy and resilient your skin is.
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+21.96% skin elasticity — within just 4 weeks!
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−5% wrinkle severity — noticeable reductions in lines.
Researchers used a gut-skin combo supplement with:
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7 billion CFU of spore-forming Bacillus strains
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Ceramides from konjac (Skin-Cera®)
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5 mg of astaxanthin (a superpowered antioxidant)
Women aged 35–55 took the formula for 8 weeks and were evaluated via high-res imaging and biometric skin measurements. Compared to placebo, only the probiotic + phytoactive group saw real changes.
How does your gut affect your face?
The link is called the microbiota–gut–skin axis. When your gut is inflamed or imbalanced (aka “leaky” or in dysbiosis), it sends pro-inflammatory signals and oxidative stressors to your whole body—including your skin. This leads to:
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Reduced collagen
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More wrinkles
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Slower skin cell turnover
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Hyperpigmentation, dryness, even eczema
The opposite is also true: a healthy gut can improve skin barrier, moisture, and elasticity, and help fight oxidative aging from inside.
A holistic formula for skin glow
What made this formula so effective? It’s the combination strategy:
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Probiotics modulate inflammation, improve barrier function, and reduce harmful gut metabolites
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Ceramides replenish skin moisture from within
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Astaxanthin protects against oxidative damage (especially from UV and environmental stress)
It’s proof that anti-aging doesn’t have to come in a syringe—sometimes it’s just gut health + smart botanicals.
What we recommend at Sana Herbal Sciences®
If your skin needs a glow-up and you’re already doing the topical work, it’s time to start with your gut. Colon Tonic™ by Dr. Marco Sikaffy is our iconic polyherbal blend—crafted to support comprehensive colon health and regularity, naturally. It’s designed to balance your microbiome, and restore your inner ecosystem — because clear skin starts with a clean gut.
Curious about Colon Tonic? Tap to find out more.
Because sometimes, skin aging isn’t just skin deep—it’s gut deep.
