Can I take Glucomannan and Nexplanon together?
Guide för läkemedelsinteraktioner
Ursprungligen publicerad 25 jan 2026
Uppfyller patientens redaktionella riktlinjer
- Ladda nerLadda ner
- Dela
- Language
- Diskussion
- Ljudversion
- Add to preferred sources on Google
Glucomannan is a type of fibre that can slow down or reduce how much of your contraceptive medication is absorbed into your bloodstream. This could potentially make the Nexplanon implant less effective at preventing pregnancy.
I den här artikeln:
Video picks for Läkemedelsinteraktioner
Fortsätt läsa nedan
Varför detta händer
Glucomannan is a highly absorbent fibre that forms a thick gel in the stomach and intestines. This gel can trap other medications (like the hormones released by Nexplanon) or slow down the rate at which they enter the blood. While Nexplanon is an implant, the hormones it releases still circulate through the body and can be affected by changes in gut absorption and 'enterohepatic circulation' (the way hormones are recycled between the liver and the gut).
Vad du bör göra
Tillbaka till innehållTo be safe, you should take glucomannan at least 1 hour after or 4 hours before taking any other oral medications. However, because Nexplanon releases hormones continuously, it is best to speak with your GP or pharmacist before using glucomannan regularly. If you decide to use both, monitor for any breakthrough bleeding or spotting, which could be a sign that hormone levels are fluctuating.
Fortsätt läsa nedan
Viktiga försiktighetsåtgärder
Tillbaka till innehållSwallowing difficulties or inadequate fluid intake
Glucomannan must be taken with at least 1-2 glasses of water. Without enough liquid, it can swell and block your throat or oesophagus, posing a serious choking risk. Do not take this if you have ever had difficulty swallowing.
Use of enzyme-inducing medicines (e.g., St John’s Wort, certain epilepsy or HIV drugs)
Certain medicines and herbal remedies can make the Nexplanon implant significantly less effective, leading to unintended pregnancy. You must use an additional barrier method (like condoms) while taking these medicines and for 28 days after stopping them.
Breast cancer
You must not use Nexplanon implant if you have, or have ever had, breast cancer, as the hormones may encourage the growth of certain tumours.
Unexplained vaginal bleeding
If you have vaginal bleeding that has not been explained by a doctor, you must not have the Nexplanon implant inserted until the cause is found.
Diabetes
Glucomannan can significantly lower blood sugar levels. If you are taking medication for diabetes, your dose may need adjustment to prevent hypoglycaemia (low blood sugar).
Liver disease
Do not use Nexplanon if you have severe liver disease or a history of liver tumours, as the implant is processed by the liver.
Varningar för mat och dryck
Tillbaka till innehållAlkohol
It is best to avoid or strictly limit alcohol while using hormonal contraceptives. Alcohol can impair your judgement and may increase the risk of side effects like dizziness or nausea.
It is best to avoid or strictly limit alcohol while taking glucomannan. Alcohol can contribute to dehydration, which increases the risk of the supplement causing a blockage in your digestive system.
Water / Fluids (General)
You must take glucomannan with plenty of water (at least 1 to 2 glasses) to ensure it reaches your stomach. There is a risk of choking or blockage in the throat or oesophagus if it is swallowed without enough liquid. Do not take it immediately before going to bed.
Fortsätt läsa nedan
Användning av andra läkemedel
Tillbaka till innehållTaking multiple medicines? Our Interaktionskontroll för läkemedel helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Ansvarsfriskrivning
Denna information är endast avsedd för allmän utbildning och bör inte användas som en ersättning för professionell medicinsk rådgivning. Rådfråga alltid din läkare, apotekare eller annan kvalificerad vårdpersonal innan du fattar beslut om dina mediciner. Individuella omständigheter kan variera, och endast en vårdpersonal som känner till din medicinska historia kan ge personlig vägledning.
Patient picks for Läkemedelsinteraktioner

Läkemedelsinteraktionskontroll
Can I take Doxadura and Ginseng together?
Taking ginseng with doxazosin (Doxadura) may cause your blood pressure to drop lower than intended. This can lead to symptoms like dizziness, lightheadedness, or feeling faint, especially when standing up quickly.

Läkemedelsinteraktionskontroll
Can I take Devil's claw and Ginger together?
Taking devil's claw and ginger together may increase your risk of bruising or bleeding. Both of these herbal supplements have natural blood-thinning properties. While the risk is generally low for healthy individuals, it becomes more significant if you are already taking blood-thinning medications or have an upcoming surgery.
Fortsätt läsa nedan
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
25 jan 2026 | Ursprungligen publicerad

Fråga, dela, anslut.
Bläddra i diskussioner, ställ frågor och dela erfarenheter inom hundratals hälsorelaterade ämnen.

Känner du dig sjuk?
Bedöm dina symtom online gratis
Anmäl dig till Patientens nyhetsbrev
Din veckovisa dos av tydliga, pålitliga hälsoråd - skrivna för att hjälpa dig känna dig informerad, självsäker och i kontroll.
By subscribing you accept our Sekretesspolicy. Du kan avsluta prenumerationen när som helst. Vi säljer aldrig dina uppgifter.