Amylase crystal

Amylase Crystal is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Good for enhancing a super energy potion."

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 12 gp, and item ID 12640.

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Amylase Crystal shows an active flip setup with a margin of +13 gp and 1,494,774 trades over the last 24 hours.

At the buy limit of 11,000 every four hours, max profit per cycle is about 143.0k gp — high margin with healthy liquidity.