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Does Coleus Forskohlii in Gelatide Affect Blood Pressure or Blood Thinners?
Coleus forskohlii root extract is one of the six extracts named on the Gelatide label, and its amount is not published. Forskolin can lower blood pressure, speed the heart rate and affect platelets. If you take blood pressure drugs, blood thinners or antiplatelet drugs, ask your prescriber before you start.
Most people read an ingredient list for allergies. Fewer read it for what it does to the heart and blood. Coleus is the extract on this panel that most needs that second reading. We cover what forskolin does, the thin human research behind it and how to raise it with a prescriber.
- Extract on the label: Coleus Forskohlii Root Extract. Amount not published.
- What to check: it can lower blood pressure, raise heart rate and affect platelet aggregation.
- Medicines to flag: blood pressure drugs, anticoagulants and antiplatelet drugs.
- Also flag: a bleeding disorder or surgery on the calendar.
- Human research: two small 2005 trials, one positive on a secondary measure and one null.
- Caffeine in the same bottle pulls the other way on blood pressure, and its total is not published.
General information, not medical advice. Gelatide is a dietary supplement for healthy adults aged 18 and over. It is not FDA approved, and no dietary supplement is. It is not meant to diagnose, treat, cure or prevent any disease. If you have a medical condition, take prescription medicine, are pregnant or nursing, or are unsure, ask a doctor or pharmacist before you start.
What is coleus forskohlii, and what is forskolin?
Coleus forskohlii is a plant, and its root is the source of forskolin. The Gelatide panel names the root extract. In research, coleus extracts are usually standardised to 10 per cent forskolin. The label gives no such figure.
Forskolin raises a cell messenger called cyclic AMP. In the lab that is linked to the release of fatty acids from stores. Releasing a fatty acid is not the same as losing fat. Something still has to burn it, and that depends on what you do with your day.
How can forskolin affect blood pressure and platelets?
Forskolin is described as lowering blood pressure and affecting how platelets clump. Platelets are the small cells that help blood clot. A faster heart rate is also reported.
| If you take or have | Why it matters | Action |
|---|---|---|
| Blood pressure medicine | Forskolin can lower pressure; the combination can go too far | Ask the prescriber first |
| A blood thinner (anticoagulant) | Forskolin affects platelet function | Ask the prescriber first |
| An antiplatelet drug | Same pathway, same worry | Ask the prescriber first |
| A bleeding disorder | Clotting is already a concern | Ask a doctor first |
| Surgery or a procedure planned | Platelet effects around an operation | Usual advice is to stop two weeks before and tell the anaesthetist |
None of this means harm is certain. It means two things are acting on the same system, and a prescriber should know about both.
Why does the caffeine in the same bottle complicate this?
Gelatide also contains caffeine from green tea and guarana. Caffeine can push pressure and pulse up, while forskolin pushes the other way. Two opposite effects do not cancel in a predictable way.
The caffeine total is not published, and neither is the forskolin share. So you cannot work out the net effect. That is the reason the safety page tells you not to manage this combination alone.
If you feel palpitations, chest pain or breathlessness, stop and get medical help. Do not wait to see if it passes.
Would you like the facts in hand before you decide?
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What does human research on coleus actually show?
Two small trials from 2005 form the whole human record we cite. Both used 500 mg a day of an extract with 10 per cent forskolin, given as 250 mg twice daily.
- The first followed overweight men for twelve weeks and reported a change in body composition without a change in total weight.
- The second used the same protocol in mildly overweight women and found no effect on body composition. It also looked at blood measures.
- Both are small and about twenty years old. That is a reason to keep looking, not a reason to buy.
This label prints neither the amount of coleus nor the forskolin share. So the trials cannot be matched to the bottle.
How do you raise it with a doctor or pharmacist?
Keep it short and concrete. Bring the bottle, or a photo of the label and the ingredient panel. Then use a script like this.
- Say the product name, and that it is a liquid taken once a day.
- Read out the six extracts, and point at coleus forskohlii root extract.
- Say that no amounts or caffeine total are printed.
- Ask whether it is fine alongside your medicines, and what to watch for.
- Ask how long before planned surgery you should stop.
A pharmacist can see your whole list and can usually answer in five minutes. Our safety and interactions page is written to be printed and taken to that conversation.
Which other extracts in Gelatide also need a check?
| Extract | Reported effects | Check if you take |
|---|---|---|
| Green tea leaf | Nausea on an empty stomach; rare liver injury from concentrated extract | Medicines the liver handles heavily; liver disease |
| Guarana seed | Jitteriness, raised heart rate, poor sleep | Stimulants, some antidepressants, lithium, theophylline, heart rhythm medicine |
| African mango seed | Headache, gas, poor sleep in trials | Diabetes medicine |
| Coleus forskohlii | Lower blood pressure, faster heart rate, platelet effects | Blood pressure drugs, anticoagulants, antiplatelet drugs |
| Capsicum annuum | Heartburn, warm chest, loose stools | Reflux, gastritis or an ulcer |
| Raspberry ketones | Nothing established in humans | Nothing specific is known |
Every row is about the ingredient, not about this bottle, since the amounts here are not published. Dose-dependent risk cannot be assessed without a dose.
Frequently asked questions
Does Gelatide affect blood pressure?
One extract, coleus forskohlii, can lower blood pressure and raise heart rate. Caffeine from other extracts can push the other way. The amounts are not published, so ask a prescriber if you take blood pressure medicine.
Can I take Gelatide with blood thinners?
Ask your prescriber first. Forskolin affects platelet aggregation, and that is the same area blood thinners and antiplatelet drugs act on.
How much coleus is in Gelatide?
Not published. The label names coleus forskohlii root extract and prints no amount or forskolin percentage.
Should I stop Gelatide before surgery?
The usual advice for botanical supplements is to stop two weeks before a planned procedure and to tell the anaesthetist what you took.
Does coleus help with weight?
Two small 2005 trials give mixed results: one reported a body composition change without a weight change, and one found no effect. They cannot be matched to this bottle.
Who should not take Gelatide?
Anyone under 18, pregnant or nursing. People on blood pressure, blood thinning, thyroid or diabetes medicine, or who are caffeine sensitive, should ask a doctor first.
Our view
Our view is that coleus is the extract on this panel where a medicine check is most useful. The research is thin and the pharmacology is real. That combination calls for a short conversation, not a guess.
If you take any of the medicines on the list, do not start until a prescriber has seen the label. If you do not, stay alert to palpitations, chest pain or breathlessness, and stop if they appear. This page is general information, not medical advice.
Ready to look at the packs once your prescriber has seen the label?
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Last updated . Medically reviewed by Dr. Dyan Hes, MD, Physician on the same date.
Sources cited in this article
- Godard MP, Johnson BA, Richmond SR. Body composition and hormonal adaptations associated with forskolin consumption in overweight and obese men. Obes Res. 2005;13(8):1335-43. https://pubmed.ncbi.nlm.nih.gov/16129715/
- Henderson S, Magu B, Rasmussen C, Lancaster S, Kerksick C, Smith P, et al. Effects of coleus forskohlii supplementation on body composition and hematological profiles in mildly overweight women. J Int Soc Sports Nutr. 2005;2(2):54-62. https://pubmed.ncbi.nlm.nih.gov/18500958/
- U.S. National Library of Medicine. Caffeine. MedlinePlus. https://medlineplus.gov/caffeine.html
- National Center for Complementary and Integrative Health. Using Dietary Supplements Wisely. https://www.nccih.nih.gov/health/using-dietary-supplements-wisely
- LiverTox: Clinical and Research Information on Drug-Induced Liver Injury. Green Tea. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases. https://www.ncbi.nlm.nih.gov/books/NBK547925/