Antidote+

An Extra strong anti-poison potion is made by mixing a toadflax and a yew root in a vial of coconut milk, giving 155 Herblore experience. It requires level 68 Herblore. Four doses are created instead of the usual three.

Extra strong anti-poison potions cure poison and provide a longer immunity than super anti-poison potions. They provide immunity to poison for 9 minutes.

For leveling players this is the first potion that requires coconut milk in place of water.

Production costs
The data in this table is based off of the Grand Exchange prices of the Vial of coconut milk, herb, and secondary ingredient(s). It is accurate assuming all three items are bought off of the Grand Exchange and the resulting potion is sold afterwards.