NEA Diagnostics
The catalog

Every compound we test, open to order.

Search the catalog, open a compound to see how each vendor ranks, or request a test for one we have not covered yet.

Showing 35 of 35 compounds

Tirzepatide

Metabolic

A

The most requested compound in the catalog and the one where vendor quality swings the widest.

98.2%
Purity
1184
Samples
96.4%
Of label

Semaglutide

Metabolic

B

High demand and high counterfeit risk, especially around stated milligram content.

97.6%
Purity
642
Samples
94.1%
Of label

Retatrutide

Metabolic

A

Newer triple agonist where identity confirmation matters as much as purity.

98%
Purity
731
Samples
95.8%
Of label

Cagrilintide

Metabolic

B

Often stacked with semaglutide, so dose accuracy compounds across a protocol.

97.1%
Purity
188
Samples
93.2%
Of label

Survodutide

Metabolic

C

Limited supply means fewer vendors and more variance per batch.

96.4%
Purity
96
Samples
92%
Of label

Mazdutide

Metabolic

C

Emerging compound with a short testing history and wide quality spread.

95.9%
Purity
74
Samples
91.4%
Of label

BPC 157

Recovery

B

Healing peptide where short chain impurities are the most common failure.

96.8%
Purity
489
Samples
95.1%
Of label

TB 500

Recovery

B

Frequently stacked with BPC 157 and just as prone to underfilled vials.

96.2%
Purity
312
Samples
93.7%
Of label

GHK Cu

Cosmetic

B

Copper content and tripeptide purity both need confirming on every lot.

97.3%
Purity
207
Samples
96%
Of label

CJC 1295

Growth Secretagogue

C

Often sold with or without DAC, and mislabeling between the two is common.

95.4%
Purity
264
Samples
91.8%
Of label

Ipamorelin

Growth Secretagogue

A

Generally clean across vendors but dose accuracy still varies by batch.

98.1%
Purity
281
Samples
96.6%
Of label

Sermorelin

Growth Secretagogue

B

Stability sensitive, so handling and fill quality show up clearly in results.

96%
Purity
173
Samples
92.9%
Of label

Tesamorelin

Growth Secretagogue

B

Higher value compound where underdosing is the most expensive failure.

96.7%
Purity
141
Samples
93.4%
Of label

GHRP 2

Growth Secretagogue

B

Classic secretagogue with a long history and reliable reference data.

96.5%
Purity
118
Samples
94%
Of label

GHRP 6

Growth Secretagogue

B

Affordable and widely stocked, with quality that tracks vendor diligence.

96.1%
Purity
109
Samples
93.6%
Of label

Hexarelin

Growth Secretagogue

C

Potent secretagogue where small dose errors carry a larger effect.

95.8%
Purity
84
Samples
92.4%
Of label

MOTS c

Longevity

B

Longevity favorite where sequence verification separates the field.

96.9%
Purity
152
Samples
94.5%
Of label

Epithalon

Longevity

B

Short peptide that is easy to make and easy to underfill.

97%
Purity
131
Samples
95.2%
Of label

NAD+

Longevity

C

Sold in large milligram vials where fill accuracy is the headline metric.

95.2%
Purity
167
Samples
90.8%
Of label

SS 31

Longevity

B

Mitochondrial peptide with a small but quality conscious vendor pool.

96.3%
Purity
71
Samples
93%
Of label

Humanin

Longevity

C

Niche longevity peptide with limited but growing reference data.

95.6%
Purity
48
Samples
92.1%
Of label

Melanotan II

Cosmetic

B

Popular tanning peptide where identity and purity vary widely by source.

96.4%
Purity
196
Samples
93.9%
Of label

PT 141

Sexual Health

B

Melanocortin peptide where dose accuracy drives the safety margin.

97.2%
Purity
158
Samples
94.8%
Of label

Kisspeptin 10

Sexual Health

B

Hormone axis peptide where small dose errors shift outcomes quickly.

96%
Purity
63
Samples
92.7%
Of label

Selank

Cognitive

B

Nasal peptide where carrier purity is as important as the active.

96.6%
Purity
97
Samples
94.3%
Of label

Semax

Cognitive

B

Often paired with Selank and prone to the same fill inconsistencies.

96.8%
Purity
92
Samples
94.6%
Of label

DSIP

Cognitive

C

Sleep peptide with a short sequence and a wide quality spread.

95.5%
Purity
58
Samples
91.9%
Of label

Thymosin Alpha 1

Recovery

B

Immune peptide where purity failures show up as truncated sequences.

96.9%
Purity
104
Samples
94.1%
Of label

AOD 9604

Metabolic

B

Fragment peptide where mislabeling against full chain growth hormone is common.

96.1%
Purity
113
Samples
93.3%
Of label

IGF 1 LR3

Growth Secretagogue

C

Larger protein where folding and purity are difficult to get right.

94.8%
Purity
89
Samples
90.5%
Of label

Follistatin 344

Growth Secretagogue

C

Complex protein where high purity is rare and worth confirming.

93.9%
Purity
47
Samples
89.2%
Of label

5 Amino 1MQ

Metabolic

B

Small molecule sold alongside peptides where identity testing still matters.

97.4%
Purity
66
Samples
95.5%
Of label

GLOW

Recovery

A

Triple-peptide recovery blend where each component needs identity confirmation.

97.9%
Purity
118
Samples
96.4%
Of label

KPV

Recovery

B

Short anti-inflammatory fragment where fill accuracy and identity both need confirming.

97.1%
Purity
86
Samples
94.8%
Of label

KLOW

Recovery

A

Four-peptide recovery blend where every component needs individual identity confirmation.

98.2%
Purity
74
Samples
96.7%
Of label