Zamorak brew(3)

Zamorak Brew(3) is a members-only item on the OSRS Grand Exchange in the potions category.

In-game examine text: "3 doses of Zamorak brew."

It has a Grand Exchange buy limit of 2,000 every four hours, a high alchemy value of 105 gp, and item ID 189.

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Zamorak Brew(3) currently has a flip margin of −11 gp, which isn't profitable to flip right now despite 34,381 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.