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G-Serein Daily Cortisol Management Stress Release Probiotic

Supports faster sleep onset, stress relief without drowsiness, and better sleep quality.
$45.00 USD $52.00 USD Save $7.00 USD
Quantity

*Free shipping always.

*Certifications & Awards

This is right for you if:

  • You wake up several times at night
  • It takes you a long time to fall asleep
  • You feel tired when you wake up
  • You feel sleepy or drowsy during the day
  • You're dealing with heavy stress

Benefits

Other Ingredients

Recommended Usage

Free Shipping
60-Day Money-Back Guarantee
3-10 Days Delivery
G-Serein— Gut, Glow, Grisso
G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic G-Serein Daily Cortisol Management Stress Release Probiotic
THE G-SEREIN DIFFERENCE
8
Patented strains
8 patented and clinically studied strains, backed by dual scientific validation.
100B
Live probiotics
Exceeding industry standards, delivering powerful gut-brain axis support.
+35%
Sleep quality
Faster sleep onset, fewer awakenings, and overall sleep quality improved by 35%.
-25%
Anxiety reduced
After 8 weeks, anxiety reduced by 25% and depression reduced by 20%, supporting daily stress relief.
*Based on clinical trial data and patent protection, delivering scientifically validated benefits. 
*Clinical study registration number: NCT06107049, NCT06629441
Not all probiotics are created equal.
G-Serien is formulated with 8 strains not commonly found in other probiotics or foods.
GRISSO
OTHERS
8 clinically studied probiotic strains
Less than 5 strains
Evaluated in a cohort-specific, double-blind, placebo-controlled clinical trial
Maybe
Fiber-based prebiotic blend containing inulin
Maybe
Botanical blend containing L-theanine and jujuba seed powder
Maybe
Third-party verified to be free from major common allergens
Maybe

Why Choose Us?

Discover how we combine natural probiotics and botanical ingredients to gently care for your mind and body, making relaxation and restful sleep part of your everyday life.

Clinically Studied, High-Quality Strains
Clinically Studied, High-Quality Strains
8 Synergistic Strains, 100 Billion CFU Potency
8 Synergistic Strains, 100 Billion CFU Potency
Enhanced with L-Theanine and Jujube Seed Extract
Enhanced with L-Theanine and Jujube Seed Extract

In a Capsule of G-Serein
Probiotics Blend (235.5 mg, 100 Billion CFU)

  • Bifidobacterium animalis subsp. lactis BLa80 — 40 Billion CFU

  • Bifidobacterium breve BBr16 — 10 Billion CFU

  • Bifidobacterium bifidum BBi32 — 5 Billion CFU

  • Lactobacillus casei LC89 — 10 Billion CFU

  • Weizmannia coagulans BC99 — 10 Billion CFU

  • Bifidobacterium longum subsp. longum BL11 — 6 Billion CFU

  • Lactobacillus casei LC16 — 5 Billion CFU

  • Lactobacillus plantarum Lp90 — 14 Billion CFU

Other Functional Ingredients (166.5 mg)

  • Zizyphus jujuba Seed Powder — 20 mg

  • L-Theanine (from Camellia sinensis) — 10 mg

  • Inulin — 40 mg

  • Microcrystalline Cellulose — 94.5 mg

  • Magnesium Stearate — 2 mg

{"default":"allergy-friendly free"}

Allergy Friendly Free From

Grisso® Probiotic Capsules are made with clean, safe, and effective ingredients that are vegetarian, non-GMO, and gluten-free▲. So, you can trust your daily wellness to Grisso®.

Premium Ingredients Proven by Science
Every capsule of G-Serein works to support stress relief and better sleep with 8 clinically studied probiotic strains and natural ingredients, carefully selected for efficacy, potency, and gut-brain axis balance.
*In an 8-week clinical study involving adults with baseline PSQl scores 6
Shortened sleep latency by an average of 22 minutes; Reduced the frequency of daytime drowsiness by 50%; Improved overall sleep quality scores by 1.5 points.
WHAT YOU MAY NOTICE

When Taking G-Serein Probiotic

*With daily use, you can expect lasting improvements in gut balance, emotional well-being, and overall vitality.
Phase One (Week 1-4)
You may begin to notice initial gut flora optimization, fall asleep more easily, enjoy better sleep quality, and wake up feeling energized and well-rested.
Phase Two (Week 5-8)
As gut flora optimization occurs and the gut-brain axis strengthens, you may experience a greater ability to release stress and promote a happier, more balanced mood.
Frequently Asked Questions
PRODUCT
Can I take this with other supplements? What about medications?
Grisso Probiotic Capsule is safe to take with other supplements.
 
We recommend you that consult your healthcare professional before use if you are pregnant, nursing, under medical supervision, and/or on any hormone therapy. Keep out of reach of children.
How quickly does Grisso Probiotic Capsules start working?
The benefits may be experienced within just 48 hours of taking it, but it may vary from person to person. The benefits you may feel are often just the most noticeable parts, such as less bloating or better regularity.
 
It is normal to experience digestive effects within 48 hours. Other benefits, such as support for gut immune function, may take more time to develop, and in some cases may not be noticeable at all. This is perfectly normal. As long as you maintain a consistent daily intake, the beneficial microbes are actively working to regulate, sustain, and enhance your overall health.
What does G-Serein probiotic capsule do?
G-Serein is specifically designed for women dealing with PMS-related health issues, targeting the emotional fluctuations and gut discomfort caused by premenstrual hormonal shifts. Its strain blend supports a balanced gut microbiome—key for easing gut issues like bloating or irregularity and stabilizing mood by nurturing the gut-brain axis—while added jujube seed powder eases fatigue, L-theanine calms mood swings without fogginess, and inulin (a prebiotic) boosts probiotic effectiveness, aids digestion, and supports healthy cholesterol over time. It’s a focused solution for PMS’s multifaceted challenges.
Is Grisso Probiotic Capsule safe to take while I'm pregnant or breastfeeding?
We recommend consulting with your healthcare professional before using our capsules, especially under medical supervision. Overall, probiotics are not considered to present safety concerns for people who are pregnant or breastfeeding.
Are Grisso Probiotic Capsules vegan?
Yes, Grisso Probiotic Capsules are suitable for vegan diets.
How do I store Grisso Probiotic Capsules?
We recommend storing Grisso Capsules in a cool, dry place, away from direct sunlight. No refrigeration necessary.
Are there any artificial dyes or preservatives in Grisso Capsules?
Grisso Probiotic Capsules are free from both artificial dyes and preservatives.
SHIPPING
Do you ship internationally?
We currently ship to the United States, Canada, the United Kingdom, France, and Germany. All orders qualify for free shipping.
How long does shipping take?
Your orders will be processed within 1-3 business days and shipped through 3-10 Days Express from the local warehouse.
OTHER QUESTIONS
Is my credit card information protected?
Absolutely! Your payment is protected by PayPal—all secure and trusted.
Can I return my order?
Refund requests must be made within 60 days of delivery. Limit one refund per product per customer.

Please email your request to service@grissolife.com with your order number and return reason. Our team will handle the rest and ensure your satisfaction.

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