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The Sōlaria Standard
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Clinically Proven
Our randomized, double-blind, placebo-controlled clinical trial results and ongoing Harvard Medical School partnership reflect one truth: every part of our process is built on uncompromising science.
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From Plants, Not People
Did you know most probiotics on the market are derived from human stool?
We knew there had to be a better way, so we created it: the world’s first living, plant-sourced synbiotic proven to protect you from the silent epidemic of bone loss. -
Literally Cool
Bōndia arrives at your door cold because its billions of live probiotic cultures are active and thriving. Keeping them chilled preserves their potency—so every dose works exactly as intended.
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Safe by Nature. Precise by Design.
Bōndia’s precision-release capsule shields live cultures from stomach acid, ensuring they reach your gut alive, active, and ready to work.
Every batch is verified for potency, stability, and biocompatibility. Unlike harsh bone drugs, Bōndia supports bone health gently without risky side effects. -
Focused on What Others Overlook
For too long, women have been told that bone loss, fragility fractures, and the rapid erosion of strength are inevitable. They’re not.
Bōndia is the first clinically proven, plant-sourced, living synbiotic created to protect women’s skeletal strength from the inside out—and it’s only the beginning.
JOURNA HEALTH IS NOW SŌLARIA BIŌ • SAVE 25% W/ CODE GOODBONES •
JOURNA HEALTH IS NOW SŌLARIA BIŌ • SAVE 25% W/ CODE GOODBONES •
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Bōndia™
SYNBIOTIC
4.9 | 26 Verified Reviews
A groundbreaking new blend of plant-derived prebiotics and probiotics clinically proven to reduce bone loss
HSA/FSA eligible
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For best results, we recommend 12+ months of consistent use.
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WHO IS bōndia FOR?
The short answer: women* over 35—and nearly everyone.
Bone loss starts in our 30s and often goes unnoticed until decades later when osteopenia (low bone mass) or worse may have already set in.
In gold-standard clinical trials, Bōndia significantly reduced bone loss in women with osteopenia, elevated BMI, and higher body fat composition—three of the groups most at risk for fragility fractures. Odds are you’re already in or approaching one of them. Even if you’re not, the gut health boost alone makes Bōndia a beneficial addition to your wellness routine.
BMI isn’t the full picture of our health. We can look “healthy” on the outside while carrying higher body fat or lower bone density beneath the surface. It’s nothing to be ashamed of—our bodies ebb and flow for all sorts of reasons and seasons.
Women are hit hardest by bone loss, so that’s where we began. The only reason we can’t yet claim Bōndia protects men’s bones is simple: they haven’t been part of our trials—yet.
*We recognize the full spectrum of gender identity. In this clinical context, “women” includes cis women and most people assigned female at birth, whose biology places them at higher risk for bone loss.
BONE + GUT BENEFITS
In gold-standard clinical food trials*—a level of rigor rarely seen (and never required) in supplements—Bōndia dramatically reduced bone loss in women with osteopenia, elevated BMI (≥30), or higher body fat composition (≥40%).
Beyond these randomized, double-blind, placebo-controlled, breakthrough bone density results, Bōndia also supported digestive gut health. Women in the study experienced the strongest improvements in severe nausea, constipation, gas, and bloating, with these gut symptoms reduced by 78.9%.
*Bōndia is more than a dietary supplement—it’s a medical food, held to higher FDA safety and efficacy standards, yet accessible without a prescription or artificially inflated pharmaceutical pricing.
8 INGREDIENTS. THAT’S IT.
Bōndia is made up of 8 total ingredients sustainably sourced from just 5 nourishing plants and fermented foods, proving that the simplest, safest sources can deliver the most groundbreaking results.
- Levilactobacillus brevis SBS04254: a probiotic from squash
- Leuconostoc mesenteroides SBS04255: a probiotic from squash
- Pichia kudriavzevii SBS04263: probiotic yeast from fermented pepper paste
- Lactiplantibacillus plantarum SBS04260: a probiotic from fermented pepper paste
- Powdered Organic Blueberry: a prebiotic rich in fiber and antioxidants
- Oligofructose: prebiotic fiber from chicory root
- Vitamin D3 (Cholecalciferol): sourced from nutrient-dense marine algae
- Vegetable-Based Capsule: made from plant cellulose (hypromellose)
#1 practitioner-recommended
Clinically Tested + Proven
Protects Bone Density
Supports gut + immune function
Vegan, Allergen-Free, Non-GMO
Bone Loss is Invisible Until It’s Irreversible.
Biology gives men a leg up. They start with denser bones and lose bone far more slowly. Women don’t get that luxury. The biology of menopause simply hits harder.
Bōndia is filling this gap in human biology, because women’s quality of life depends on it.
How Bōndia Works
Your Body Begins to Respond
Within days, Bōndia’s good bacteria begin calming the inflammation that contributes to bone loss. Your body absorbs algae-derived Vitamin D3, while Bōndia’s synergistic microbes naturally produce vitamin K2—a perfect pair that helps your bones retain calcium.
At the cellular level, your osteoclasts (cells that break down old bone) and osteoblasts (cells that build new bone) start to rebalance. Mild bloating or gas is normal in the first few days—usually fading quickly as your gut microbiome finds renewed equilibrium.
Protection Takes Hold
Your gut and bone systems are now in sync. Bōndia’s revolutionary synbiotic formulation helps slow the bone-degrading activity of osteoclasts, supporting a healthier balance between bone breakdown and renewal.
Clinical studies show measurable protection against bone loss during this phase, and women report improved digestion as microbial diversity stabilizes.
Sustained Strength
With consistent use, Bōndia continues to support a steady, healthy rhythm of bone turnover as osteoblasts are able to keep better pace with osteoclasts. Your gut and immune systems are more resilient, digestion is smoother, and your foundation for long-term strength is stronger than before.
Bone health isn’t a sprint—it’s a lifelong rhythm. Bōndia helps keep that rhythm in balance, protecting your bones from the inside out.
CLINICALLY PROVEN
Improvement in Bone Loss
In a year-long, randomized, double-blind, placebo-controlled clinical trial—the gold standard of clinical testing, Bōndia improved bone density by 85% in women with osteopenia.
In a year-long, randomized, double-blind, placebo-controlled clinical trial—the gold standard of clinical testing, Bōndia improved bone density by 85% in women with osteopenia.
Download the proof
Schott EM et al., Osteoporosis International (2025). DOI: 10.1007/s00198-025-07650-7
A Radically Natural, Sustainably Sourced, First-of-Its-Kind Formulation
Bōndia is an entirely plant-sourced synbiotic that delivers the probiotic potency of 3.5 tons of squash and 1.2 pounds of fermented pepper paste—fueled by the prebiotic goodness of a handful of blueberries and a touch of chicory root.
GOOD INGREDIENTS. GREAT BONES.
A Radically Natural, Sustainably Sourced, First-of-Its-Kind Formulation
Bōndia is an entirely plant-sourced synbiotic that delivers the probiotic potency of 3.5 tons of squash and 1.2 pounds of fermented pepper paste—fueled by the prebiotic goodness of a handful of blueberries and a touch of chicory root.
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