User blog comment:Kogath/Monster Hunter Generations Ultimate Discussion/@comment-7784930-20170523223343

Recapping on the Alchemy Items now that we have more info on what they do.

Alchemy Items

Alchemy Ration - Costs 1 Gauge Slot
 * Increases Stamina Bar (Less than a Ration).
 * Doesn't perform a gesture after using it, making it as fast as if using Speed Eating +2.
 * Does not cure the Bleeding Status.
 * Can carry a max of 10.

Alchemy Whetstone - Costs 1 Gauge Slot (Only when using Blademaster weapons)
 * Combines the full effects of a Whetstone and increases Hunter Art gain by 30%. This effect is shown the same way a Hunter's Drink is.
 * Can carry a max of 8.

Alchemy Shot - Costs 1 Gauge Slot (Only when using Bowguns)
 * Increases Hunter Art gain.
 * Can be loaded into any Bowgun, Light and Heavy.
 * Alchemy Style boosts these shots, Light Bowgun can Rapid Fire them, while Heavy Bowgun can load more at once.
 * However, their power is comparable to that of Normal S Lv1.
 * Can carry a max of 30.

Alchemy Coating - Costs 1 Gauge Slot (Only when using Bows)
 * Increases Hunter Art gain.
 * Can be loaded onto any Bow.
 * Alchemy Style boosts the Hunter Art gain even more, and increases the Critical Distance range.
 * Can carry a max of 20.

Alchemy Immunizer - Costs 2 Gauge Slots
 * Like Immunizer, increases the health recovery speed but also recovers health completely lost (recovers more health after all red health has been recovered).
 * Doesn't perform a gesture after using it.
 * Can carry a max of 10.

Alchemy Sonic Bomb - Costs 2 Gauge Slots
 * A small barrel bomb that release a sonic sound, this sound acts like a Sonic Bomb while also driving small monsters away from the user.
 * This item has the same effects as the "Ultrasonic Horn" Prowler Support Move.
 * When used, you'll hold this bomb like the Alchemy Barrel as it lets out a sound that drives small monsters away, after some time it'll end with a Sonic Bomb effect.
 * Small monsters in the general area will be effected, but large monsters need to be close by to be affected.
 * You must move around with this item for it to fully use its effects, being attacked while holding it will however make it disappear.
 * If you watch the barrel, you'll see that a small Qurupeco doll inside the barrel is creating these sounds.
 * Can carry a max of 3.

Alchemy Earplugs - Costs 3 Gauge Slots
 * Completely negates 1 monster roar of any kind.
 * Unlike Disposable Earplugs from MH4U, this item only needs to be in your pouch to work, and can be stacked to negate multiple roars.
 * Can carry a max of 3.

Alchemy Juice - Costs 3 Gauge Slots
 * A special medicine created using the Alchemy Barrels contents, creating an odd scent.
 * Using this item will speed up Alchemy Gauge gain by 20% and Alchemy Barrel shaking speed for 5 minutes.
 * Can carry a max of 1.

Alchemy Slick - Costs 4 Gauge Slots
 * A compound used to combine with other Alchemy items to create a larger amount of them.
 * When combining items with this Slick you'll receive;
 * Alchemy Ration = 6~10
 * Alchemy Whetstone = 6~8
 * Alchemy Shot = 28~30
 * Alchemy Coating = 18~20
 * Alchemy Immunizer = 6~10
 * Alchemy Earplugs = 2~3
 * Can carry a max of 1.

Alchemy Bazooka - Costs 4 Gauge Slots
 * This item shoots out an explosive from the Alchemy Barrel and sends it flying out in front of you.
 * There is a short launch time for this, however being hit won't use this item if it hasn't fired yet.
 * The food skill Felyne Pyro boosts the damage of this item by 50%.
 * Can carry a max of 3.

Alchemy Energy Ball - Costs 5 Gauge Slots
 * An item that fills up the Hunter Art Gauges for all players in the area, the user included.
 * For Hunters they gain 350 points, and for Prowlers they gain half a support bar.
 * Can carry a max of 1.

Alchemy Healing Barrel - Costs 5 Gauge Slots
 * A special medicine is released from the barrel that will start continually healing the health and status of surrounding players.
 * You must hold onto this barrel while in use, making you defenseless for a short time as you can only run around.
 * Once used up, it lets out one last large burst which heals anyone in the area by a large amount.
 * Can carry a max of 1.