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For Her, With Care

Backed by science, inspired by women’s voices and wisdom.

For Her, With Care

Backed by science, inspired by women’s voices and wisdom.
Grisso, Built with Care
Stress Relief
Reduce stress-related cortisol levels, modulate the body’s stress response and Promote relaxation and emotional resilience through increased gut-brain signaling efficiency.
Gut Health
Supports adult metabolic and digestive health, relieves indigestion, and promotes healthy lipid metabolism.
Hormonal Regulation
Help normalize reproductive hormones like estrogen and luteinizing hormone (LH), whose imbalances are associated with aging and reproductive dysfunction.
Better Sleep Naturally
Regulate mood and mental well-being through the gut-brain axis and a healthier microbiome, supporting stress relief and improving sleep quality.
pH Balance
Lower vaginal pH, restoring the acidic environment conducive to health.
Ease Constipation
regulate the intestinal micro-ecological environment and the balance of intestinal flora in both directions through scientific formulation
Prevent Reproductive Tract Aging
Reduce oxidative stress markers, including malondialdehyde (MDA), and regulate reactive oxygen species (ROS), both of which are elevated in aging tissues.
Healthy Vaginal Flora
By reducing inflammation and enhancing immune responses, prevents urogenital infections and supports overall reproductive health.
Self-Efficacy&Happy Mood
Restore neurochemical balance, enhance neuroprotective factors, modulate stress hormone responses, and support mechanisms of emotional regulation.
Immunomodulation
Boost immune responses, as indicated by an increase in immunoglobulin A (IgA) in vaginal fluids.
Anti H. pylori&Alleviate Diarrhea
Supports the suppression of H. pylori while reducing the risk of diarrhea linked to gut flora imbalance during treatment.
  • Stress Relief
    Reduce stress-related cortisol levels, modulate the body’s stress response and Promote relaxation and emotional resilience through increased gut-brain signaling efficiency.
    Gut Health
    Supports adult metabolic and digestive health, relieves indigestion, and promotes healthy lipid metabolism.
    Hormonal Regulation
    Help normalize reproductive hormones like estrogen and luteinizing hormone (LH), whose imbalances are associated with aging and reproductive dysfunction.
  • Better Sleep Naturally
    Regulate mood and mental well-being through the gut-brain axis and a healthier microbiome, supporting stress relief and improving sleep quality.
    pH Balance
    Lower vaginal pH, restoring the acidic environment conducive to health.
    Ease Constipation
    regulate the intestinal micro-ecological environment and the balance of intestinal flora in both directions through scientific formulation
  • Prevent Reproductive Tract Aging
    Reduce oxidative stress markers, including malondialdehyde (MDA), and regulate reactive oxygen species (ROS), both of which are elevated in aging tissues.
    Healthy Vaginal Flora
    By reducing inflammation and enhancing immune responses, prevents urogenital infections and supports overall reproductive health.
    Self-Efficacy&Happy Mood
    Restore neurochemical balance, enhance neuroprotective factors, modulate stress hormone responses, and support mechanisms of emotional regulation.
  • Immunomodulation
    Boost immune responses, as indicated by an increase in immunoglobulin A (IgA) in vaginal fluids.
    Anti H. pylori&Alleviate Diarrhea
    Supports the suppression of H. pylori while reducing the risk of diarrhea linked to gut flora imbalance during treatment.
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Grisso®— Gut, Glow, Grisso
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Our Grisso® Team

Catherine Stanton

Catherine Stanton, an award-winning microbiome expert, serves as Research Professor at UCC and Principal Investigator at APC, with over 100 publications and multiple international awards for scientific excellence.

Reynolds Paul Ross

Reynolds Paul Ross is an internationally recognized leader in probiotics and health research, a Professor at UCC, and the Director of the APC Microbiome Institute, renowned for advancing the global understanding of probiotics and food biotechnology.

Awards and Recognitions
Grisso's Award-winning Research, Globally Recognized Safety
Our Science
  • Hold both FDA GRAS & Self-Affirmed GRAS Status.
    GRAS Certified
  • All formulas are made under FDA-registered facilities.
    FDA Standards
  • Adhere to NSF&cGMP standards to ensure purity and safety.
    NSF
  • Formulated using Non-GMO ingredients, verified for quality and safety.
    Non GMO Verifeid
  • Dual Award Winner!
    Nutra Ingredients Awards 2025&Ingredient of the Year: Sports Nutrition
  • Free from common allergens to ensure clean and transparent.
    Allergen Free
  • Featured high-viability probiotic strains to ensure effectiveness and activity.
    High Survivability
  • Based on a double-blind&placebo-controlled study.
    Clinically Studied
  • Powered by patented strains and ingredients, reflecting advanced research and formulation expertise.
    Patent Supported
Global Expansion
Grisso's global journey reflects a steadfast commitment to world-class standards in women’s health.
Global Collaborations
International Patents
Global Awards

Your Voice Matters

"My digestion goes totally off before my cycle — either I can’t go or I go too often. Hope this helps bring some relief."
Freya O.
"I’ve been looking for something to support vaginal health. Super excited to start this journey!"
Ava Mitchell

"I’ve been using G-Sylph for about three weeks — my stomach feels lighter, and regularity has improved. I’m giving 4 stars only because I’d like a larger bottle size option. Otherwise, I’m very pleased."

Thomas Stambaugh
"Stress has been ruining my sleep lately. Ordered and really curious to see how probiotics can help with sleep."
Hannah M.
"My sleep quality has been poor for months, and it's making me more moody and impatient. Really need a good night’s rest. Ordered and to see if this helps me stay asleep."
*****14joy@icloud.com
"Just ordered mine! I get so gassy and uncomfortable every month. Really hoping this probiotic helps calm my stomach."
****grace@yahoo.com
"The biggest change isn't dramatic-it's quiet comfort. No Burning, No Irritation."
Mia Collins
"I've already placed my order. l often struggle with insomnia and feel quite anxious because of family issues-really hoping this will help."
Taylor
"Excited to see how it goes. Ordered today. I’ve been dealing with occasional odor."
Chloe R
"Fewer uncomfortable days, better digestion after meals.Feels good."
Rachael Keck
"Purchased the G-Serein daily cortisol management &stress relief probiotic. The formula looks promising and clean — will try and give some feedback:)"
Isabella Brooks
"If this works better than melatonin? I hate feeling groggy in the morning:("
*****yuki@gmail.com

"Should I take it every day or just before and during my period?"

*****273@gmail.com
"I often get mild discomfort before my period. Can this probiotic help with that?"
Charlotte Hayes
"Sometimes I notice unusual odor even when I’m super clean. Would this product help with that kind of issue?"
Clara Novak
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