Guam potion (unf)

I need another ingredient to finish this Guam potion.

MembersBuy limit 10,000Potions & Drinks

Wiki

Insta-buyHighest recent buy

365gp

Insta-sellLowest recent sell

324gp

SpreadBefore tax

41gp

12.65%

MarginAfter 2% GE tax

+34gp

+10.49% ROI

VolumeTraded in 30D

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TrendMid price, 30D

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

Volume · units traded

30D low: 324
30D high: 365
Volatility: 11.9%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+34gp

+34 per item · +10.49% ROI

Capital required: 324 gp
Gross revenue: 365 gp
GE tax (2%, 7/item): − 7 gp
Break-even sell: 330 gp

Item data

High alchemy: 1 gp99.7% below market
Low alchemy: 1 gp
Shop value: 3 gp
Weight: 0.056 kg
Skill / type: Herblore
Requires: Herblore 3
Stack / note: Not stackable · noteable
Released: Feb 27, 2002

About Guam potion (unf)

The Guam potion (unf) is a members-only potion in Old School RuneScape.

"I need another ingredient to finish this Guam potion"

Over the last 30 days it traded between 252 and 354 gp on the Grand Exchange, averaging 313 gp. About 134,563 units changed hands per day. The price is up 1.5% across that window. The Grand Exchange buy limit is 10,000 every 4 hours. Selling one at the average price costs 6 gp in Grand Exchange tax.

Casting High Level Alchemy returns 1 gp, which is 99.7% below the 30-day average price, so alching a bought one loses money.

Recipes

Where this item appears in crafting and processing.

Made from

1× Guam leaf, 1× Vial of water

Used to make

1× Attack potion(3) from 1× Guam potion (unf), 1× Eye of newt
1× Vial from 1× Guam potion (unf), 1× Jangerberries

Guam potion (unf) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Guam potion (unf) on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	291	252	348	1,938,598
September 2026	349	296	412	3,278,900
August 2026	386	328	440	3,992,612
July 2026	416	377	485	4,540,922
June 202621d	453	421	549	1,561,041
May 20262d	424	396	451	211,237
April 20261d	400	400	400	87,233
March 2026	486	390	591	1,048,153
February 2026	408	291	513	93,723
January 2026	395	301	502	17,856

Across 10 months of recorded prices Guam potion (unf) ranged from 252 gp in October 2026 to 591 gp in March 2026, measured over 218 trading days.

The 30-day average of 313 gp sits in the lower third of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.

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