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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 Support
Promotes a sense of calm and emotional balance by supporting the gut-brain connection.*
Gut Health
Supports healthy digestion, nutrient absorption, and everyday gut comfort.*
Hormonal Wellness Support
Formulated to support the body's natural hormone balance as part of overall wellness during life's different stages.
Sleep Support
Formulated to help you wind down and support restful sleep as part of a relaxing evening routine.*
pH Balance Support
Helps support the vagina's naturally acidic environment and overall intimate wellness.
Digestive Regularity
Supports healthy bowel regularity and overall digestive comfort.*
Daily Cellular Support
Contains antioxidant-supporting nutrients that help maintain healthy cell function as part of a balanced lifestyle.
Vaginal Flora Support
Formulated with Lactobacillus strains to help maintain a healthy vaginal microbiome and natural balance.
Mood Support
Supports a positive mood and emotional well-being through a healthy gut microbiome.*
Immune Support
Supports healthy immune function with clinically studied ingredients.*
Urinary Tract Comfort
Formulated to support urinary tract comfort and overall intimate wellness as part of your daily routine.*
Digestive Comfort
A blend formulated with prebiotics and probiotics to help maintain a balanced gut environment and support regular, comfortable digestion.
  • Stress Support
    Promotes a sense of calm and emotional balance by supporting the gut-brain connection.*
    Gut Health
    Supports healthy digestion, nutrient absorption, and everyday gut comfort.*
    Hormonal Wellness Support
    Formulated to support the body's natural hormone balance as part of overall wellness during life's different stages.
  • Sleep Support
    Formulated to help you wind down and support restful sleep as part of a relaxing evening routine.*
    pH Balance Support
    Helps support the vagina's naturally acidic environment and overall intimate wellness.
    Digestive Regularity
    Supports healthy bowel regularity and overall digestive comfort.*
  • Daily Cellular Support
    Contains antioxidant-supporting nutrients that help maintain healthy cell function as part of a balanced lifestyle.
    Vaginal Flora Support
    Formulated with Lactobacillus strains to help maintain a healthy vaginal microbiome and natural balance.
    Mood Support
    Supports a positive mood and emotional well-being through a healthy gut microbiome.*
  • Immune Support
    Supports healthy immune function with clinically studied ingredients.*
    Urinary Tract Comfort
    Formulated to support urinary tract comfort and overall intimate wellness as part of your daily routine.*
    Digestive Comfort
    A blend formulated with prebiotics and probiotics to help maintain a balanced gut environment and support regular, comfortable digestion.
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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 wellness 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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