Sanfew serum(1)

A 1 dose Sanfew Serum.

MembersBuy limit 2,000Potions & Drinks

Wiki

Insta-buyHighest recent buy

5,800gp

Insta-sellLowest recent sell

5,534gp

SpreadBefore tax

266gp

4.81%

MarginAfter 2% GE tax

+150gp

+2.71% 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

30D low: 5,534
30D high: 5,800
Volatility: 4.7%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+150gp

+150 per item · +2.71% ROI

Capital required: 5,534 gp
Gross revenue: 5,800 gp
GE tax (2%, 116/item): − 116 gp
Break-even sell: 5,646 gp

Item data

High alchemy: 72 gp98.8% below market
Low alchemy: 48 gp
Shop value: 120 gp
Weight: 0.02 kg
Skill / type: Herblore
Requires: Herblore 65
Stack / note: Not stackable · noteable
Released: Mar 13, 2007

About Sanfew serum(1)

The Sanfew serum(1) is a members-only potion in Old School RuneScape.

"A 1 dose Sanfew Serum"

Over the last 30 days it traded between 4,237 and 5,535 gp on the Grand Exchange, averaging 4,963 gp. About 699 units changed hands per day. The price is up 9.5% across that window. The Grand Exchange buy limit is 2,000 every 4 hours. Selling one at the average price costs 99 gp in Grand Exchange tax.

Casting High Level Alchemy returns 72 gp, which is 98.5% 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× Mixture - step 2(1), 1× Nail beast nails

Sanfew serum(1) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Sanfew serum(1) on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	5,255	4,876	5,535	6,100
September 2026	4,735	3,352	5,172	20,425
August 2026	4,994	4,555	5,281	17,982
July 2026	5,328	4,832	6,155	25,405
June 202621d	5,478	4,867	6,624	13,718
May 20262d	5,009	4,509	5,508	474
April 20261d	5,271	5,271	5,271	333
March 2026	5,306	4,567	9,708	20,458
February 2026	4,682	3,867	5,087	16,548
January 2026	3,643	2,974	5,263	17,856

Across 10 months of recorded prices Sanfew serum(1) ranged from 2,974 gp in January 2026 to 9,708 gp in March 2026, measured over 218 trading days.

The 30-day average of 4,963 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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