Tongkat Ali supplements range wildly in quality across Singapore's market, from serious 200:1 standardised extracts like the one in AliKing 200:1 to vague root powders with no way to verify what's actually inside. Here's what to actually check before buying.
✅ What to check on the label
- Extraction ratio — look for a specific ratio (like 100:1 or 200:1), which tells you how concentrated the extract is compared to raw root
- Species verification — genuine Eurycoma longifolia, not an unspecified or substitute root
- Standardised eurycomanone content — the marker compound researchers use to measure potency
- Country of origin and manufacturing standard — GMP certification indicates proper quality control
- Third-party testing — for contaminants like heavy metals, which unregulated root products have occasionally been found to contain
Higher extraction ratios generally mean more concentrated active compounds
A 200:1 extract means 200kg of raw root was concentrated down into 1kg of extract — a meaningfully more potent starting point than raw powder or a lower-ratio extract, though the exact clinical significance of ratio numbers alone (without standardised marker compounds) is still debated among researchers.
Unregulated root products have real contamination risks
Because Tongkat Ali root grows wild and demand has surged, some unregulated or informally sourced products have been found with heavy metal contamination or substituted species — a strong argument for buying from GMP-certified, quality-tested sources rather than the cheapest available option.
💬 What do you look for when buying a Tongkat Ali supplement?
Extraction ratio, price, brand reputation, or honestly not sure what to check? Share your approach in the comments.
What GreenKare AliKing offers
GreenKare AliKing uses a Tongkat Ali 200:1 standardised extract, made under GMP-certified standards in Singapore — checking the quality boxes outlined above.
The bottom line
Extraction ratio, species verification, and third-party testing are the real quality markers to check before buying Tongkat Ali — not just price or bold marketing claims. AliKing's 200:1 standardised, GMP-certified extract is built around those exact standards.
This article is for general health information only and isn't a substitute for medical advice.