Wellaray safety: caffeine, medicines and who shouldn’t take it
The warnings that matter before you order – including our advice on painkillers and blood thinners.
Last checked 8 November 2026
Who should not take it
- Anyone under 18
- Anyone who is pregnant or breastfeeding
- Anyone taking NSAID painkillers (such as ibuprofen or naproxen), blood thinners or COX-2 inhibitors – do not combine Wellaray with these
If you take any prescribed medicine or have a health condition, speak to your GP or pharmacist before starting a new supplement.
Caffeine
Each sachet contains about 6 mg of caffeine. The NHS advises that pregnant women keep caffeine under 200 mg a day, and the European Food Safety Authority considers up to 400 mg a day safe for most healthy adults.
| Drink | Typical caffeine |
|---|---|
| One Wellaray sachet | ≈ 6 mg |
| Mug of instant coffee | ≈ 100 mg |
| Mug of filter coffee | ≈ 140 mg |
| Mug of tea | ≈ 75 mg |
| Can of cola | ≈ 40 mg |
Typical values as published by the NHS and the Food Standards Agency; brands and serving sizes vary.
Side effects
Psyllium and other fibres can cause wind or bloating, especially at first, and must be taken with enough liquid. Stop taking the product and seek advice if you feel unwell.
If something feels wrong
Stop taking it and speak to your GP or pharmacist, or call NHS 111 for advice. For order issues, contact Wellaray customer service.
