Tested for heavy metals and contaminants.
Limited first-order allocation remaining
An affordable bladder support supplement made for real women with real lives.
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Wendy S
Verified Customer
Hi there, we're Søster — every women's big sister. It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.
60+ Whole Food Ingredients. Zero Fillers.
Nature's complexity, refined by science. Each element is selected for its bio-availability and synergy.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
The Source: Hand-picked in the sub-arctic forests of Finland.
The Benefit: Potent anthocyanins for vascular health and antioxidant defense.
Take back CONTROL with Søster + Bladder supplement for women.
Over 3,200+ independent scientific research studies support the ingredients in Søster+ CONTROL
Supports Bladder Strength & Control
Formulated with plant sterols and zinc, nutrients linked to maintaining tissue elasticity and structure, helping support the strength and flexibility of the bladder wall.
Helps Maintain Healthy Bladder Signalling
Contains L-Arginine, Vitamin D and Vitamin B6, which contribute to normal nerve and muscle function, supporting the coordination involved in bladder control.
Promotes Pelvic Tissue Resilience
Provides glycine, an amino acid found in connective tissue, supporting the structural integrity of tissues that help maintain bladder support.
Supports Hormonal Balance for Bladder Comfort
Includes soy-derived isoflavones, traditionally used in women's health formulations where hormonal changes may affect urinary comfort.
Trusted by 20,000+ women
See why women around the world choose Søster
10/10 would recommend. The convenience and taste are huge! Like mixed berries!
"The capsules are tasteless, easy to swallow and no after taste with them"
10/10 would recommend. The convenience and taste are huge! Like mixed berries!
"The capsules are tasteless, easy to swallow and no after taste with them"
10/10 would recommend. The convenience and taste are huge! Like mixed berries!
"The capsules are tasteless, easy to swallow and no after taste with them"
Incredible value for what you get. Worth every penny!
"Compared to other supplements, Søster offers so much more at a fair price."
Great value, high quality.
"I've tried so many supplements and these are by far the best value for money."
Affordable and effective.
"I was sceptical at first but the price point convinced me to try. So glad I did!"
I noticed a real difference within 2 weeks!
"This is the only supplement that has actually made a noticeable difference to my daily life."
Finally something that works!
"I have been dealing with bladder issues for years. These capsules have genuinely helped."
Game changer for me.
"Within 12 weeks my symptoms improved significantly. I will never stop taking these."
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Here's what makes Søster CONTROL different
Not overhyped or overpriced. Just comprehensive nutrition made enjoyable and for everyone.
CONTROL
- Made in UK
- High bioavailability (90–95%)
- Clinically proven ingredients
- 3rd-party tested for transparency
- Easy to swallow with water, no aftertaste
- GMP Certified
- Vegan
Other Brands
- Made & sourced overseas
- Low absorption (30–50%)
- No clinical validation
- Unverified ingredient sourcing
- Unpleasant pills or powders
- No GMP Certification
- Non vegan sourcing
Quality you can trust
Our formulations are devised by experts with the female body in mind. By women for women.
We manufacture in Worcestershire, UK and are GMP (Good Manufacturing Practices) accredited.
Guaranteeing that our products are safe, pure and effective.
In other words, we do what we say we're going to do.
Sisterly Advice
It's Normal
12
M
Over 1/3 women in the UK experience bladder issues. That's 12 million strong sisterhood.
It's Actionable
2
2 a day, morning and afternoon. A seamless part of your routine.
It's a Journey of Discovery
12
Weeks
This is how long it normally takes for women to experience the long-term benefit as the pumpkin seeds and soy isoflavones restore pelvic tone, bladder rhythm and hormonal balance.
Backed by World-Class Scientific Expertise
State of the art food supplements. Expertly curated formulations. Our scientific research and product development is backed by top experts.
"As a nutritionist, I look for products that bridge the gap between wellness and daily enjoyment. I recommend Søster because it prioritizes high-quality, vibrant ingredients that support a balanced lifestyle."
Dr Lucy Jones
Board Certified Dietician
"As a nutritionist, I look for products that bridge the gap between wellness and daily enjoyment. I recommend Søster because it prioritizes high-quality, vibrant ingredients that support a balanced lifestyle."
Dr Lucy Jones
Board Certified Dietician
"As a nutritionist, I look for products that bridge the gap between wellness and daily enjoyment. I recommend Søster because it prioritizes high-quality, vibrant ingredients that support a balanced lifestyle."
Dr Lucy Jones
Board Certified Dietician
"As a nutritionist, I look for products that bridge the gap between wellness and daily enjoyment. I recommend Søster because it prioritizes high-quality, vibrant ingredients that support a balanced lifestyle."
Dr Lucy Jones
Board Certified Dietician
Quality You Can Trust, Transparency You Can See.
At Søster, we believe that what you put into your body should be held to the highest standard. We don't just claim quality; we prove it.
We partner with Eurofins, the global leader in food and supplement testing, to ensure every batch meets rigorous safety and purity requirements.
Purity
Potency
Verified active ingredient levels.
Safety
100% compliant with international health regulations.
Our process is designed to preserve the integrity of our ingredients from the lab to your doorstep.
GMP Certified
Produced in facilities that follow strictly audited Good Manufacturing Practices.
Cold-Press Technology
We use minimal heat processing to maintain maximum nutrient density.
Small Batch Integrity
We produce in limited runs to ensure total quality control and freshness.
Clean Sourcing
Eco-Packaging
Carbon Conscious
Limited Time Offer, Save up to 52% on your first order.
High demand: 156 sold in the last 48 hours
CHOOSE YOUR OFFER
Autoship & Save
1 month supply
SAVES £1.49 (11.5% OFF)
£11.50
£0.38/day
2 months supply
SAVES £5.30 (20.4% OFF)
£20.68
£0.34/day
3 months supply
SAVES £9.08 (23.3% OFF)
£29.89
£0.33/day
One-Time Purchase
£12.99
£0.43/day
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WHAT OUR SUBSCRIBERS SAY
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Ships within 24 Hours Mon-Fri
FREE avg 2-day shipping today
30-Day Money Back Guarantee
Why Soster?
Why Soster?
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Ingredients & Allergies
Ingredients & Allergies
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Science & Certifications
Science & Certifications
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Directions
Directions
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Benefits
Benefits
“Literally on my second day and I can feel a difference already - am amazed - just subscribed!”
Better bladder health in 12 weeks. And beyond.
You may not notice it overnight. But small, consistent shifts can add up to something life-changing. Here's what to expect.
A strong foundation
Right now, you're building nutrient reserves that support bladder tissues, nerves and muscles. You're giving your system what it needs to grow more resilient.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified CustomerMore consistent days
74% feel their life is less interrupted. You may start to notice yourself less planning less and feeling more in the moment.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified CustomerSettle into a new way of life
71% of women report feeling more confident. With consistent nutritional support for bladder tissues, muscles and nerves, you're building a foundation that supports you long-term.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified CustomerA strong foundation
Right now, you're building nutrient reserves that support bladder tissues, nerves and muscles. You're giving your system what it needs to grow more resilient.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified CustomerMore consistent days
74% feel their life is less interrupted. You may start to notice yourself less planning less and feeling more in the moment.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified CustomerSettle into a new way of life
71% of women report feeling more confident. With consistent nutritional support for bladder tissues, muscles and nerves, you're building a foundation that supports you long-term.
"These have proved amazingly successful (for me) and I plan to continue using for the forseeable future."
Verified Customer
Want to join a sisterhood of women who are taking care of their bladder?
Take CONTROL
Still Deciding, burning questions?
No, Getting CONTROL nowOrders are typically dispatched within 1–2 business days and arrive within 3–5 working days depending on your location.
You'll receive a 30-day supply of Søster CONTROL — a premium bladder support supplement containing pumpkin seed extract and soy isoflavones, formulated specifically for women.
Most women begin to notice improvements within 4–6 weeks of consistent daily use. For full results, we recommend taking Søster CONTROL for a minimum of 12 weeks.
It means exactly that. If you're not happy with your results within 180 days of purchase, contact us and we'll refund you in full — no returns required, no awkward questions.
