AMINESS 5.2% ESSENTIAL AMINO ACIDS W/ HISTADINE vs AMINOSYN II 5%

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 17, 2026·How we rate

Attribute	AMINESS 5.2% ESSENTIAL AMINO ACIDS W/ HISTADINE	AMINOSYN II 5%
Rating	60/100	70/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	AMINO ACIDS	AMINO ACIDS
Manufacturer	Hospira	Icu Medical Inc
Dosage forms	Injectable	Injectable
Drug class	—	—
Boxed warning	None	None

aminess 5.2% essential amino acids w/ histadine aminosyn ii 5%

Rating

60/100

70/100

Pharmacy pays

—

Type

Active ingredient

AMINO ACIDS

Manufacturer

Hospira

Icu Medical Inc

Dosage forms

Injectable

Drug class

—

Boxed warning

None

Frequently asked questions

Which is better-rated, Aminess 5.2% Essential Amino Acids W/ Histadine or Aminosyn II 5%?

By our independent rating, Aminosyn II 5% scores higher — 3.5 vs 3.0 out of 5 for Aminess 5.2% Essential Amino Acids W/ Histadine. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Aminess 5.2% Essential Amino Acids W/ Histadine and Aminosyn II 5%?

Both Aminess 5.2% Essential Amino Acids W/ Histadine and Aminosyn II 5% share the active ingredient Amino Acids.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.