Medical & Product Disclaimer
Last updated: 15 August 2026
systemK11 is a dietary supplement, not a medicine
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
systemK11 is a food supplement intended to support normal hair and scalp health as part of a varied diet. It is not a drug, a medicine or a medical device. It is not a substitute for prescription treatment, and it is not a substitute for seeing a doctor.
Nothing on this site is medical advice
The content on k11.co — including the research pages, ingredient explanations and any references to published studies — is provided for general information and educational purposes only. It describes the scientific literature on individual nutrients and botanical extracts. It is not a diagnosis, a treatment recommendation, or personalised medical advice, and it should not be used to decide whether to start, stop or change any medical treatment.
Always speak to your physician, dermatologist or another qualified healthcare professional about hair loss or any other health concern. Hair loss can be a sign of an underlying medical condition that needs proper diagnosis. Never disregard or delay seeking professional medical advice because of something you have read here.
Results vary
Individual responses to any dietary supplement vary. Results reported in published research were obtained under specific study conditions in specific populations and do not predict what any individual will experience. We make no guarantee of any particular outcome.
Do not use systemK11 if
You are under 18 years of age
You are pregnant, planning to become pregnant, or breastfeeding
You are allergic to any listed ingredient (systemK11 contains fenugreek, soy-derived isoflavones and broccoli-derived compounds)
Speak to your doctor before use if
You take prescription medication of any kind — several ingredients, including berberine, can interact with prescription drugs, and berberine in particular may affect blood-glucose control and the metabolism of other medicines
You are diabetic or take medication affecting blood sugar
You have a liver, kidney or thyroid condition — this product contains iodine
You have a hormone-sensitive condition — this product contains soy isoflavones
You are scheduled for surgery
You have haemochromatosis or any iron-storage disorder — this product contains iron
Iron warning
WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control centre immediately.
Use as directed
Do not exceed the recommended daily dose stated on the label. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Store in a cool, dry place out of reach of children. Do not use if the safety seal is broken.
Adverse reactions
If you experience any adverse reaction, stop taking systemK11 and contact your doctor. Please also report it to us at support@k11.co so we can record it. US customers may also report adverse events to the FDA via MedWatch or 1-800-FDA-1088.
Research references
Where we cite published research, we link to the primary source so you can read it yourself. Studies cited generally examine individual ingredients, often at doses and in populations that may differ from systemK11. A study on an ingredient is not a study on the finished product.
Systems Trichology London Ltd · Company no. 12114910 · support@k11.co