Short answer: Many people combine this with coffee or other supplements, but stacking several stimulant-containing products can increase discomfort — a genuine, practical caution worth understanding.
Why fibre specifically complicates stacking with other supplements
Fibre can also affect the absorption of other supplements and medicines, so spacing them apart by a couple of hours is sensible — a mechanism-specific reason beyond general caution.
What a sensible stacking approach looks like
Review combinations with a healthcare professional — direct guidance worth following rather than assuming any combination is automatically safe.
💡 Worth knowing: green tea extract typically carries naturally occurring caffeine, worth factoring in if you're also drinking coffee the same day.