Customer Reviews
Real feedback from researchers and customers. Every review is tied to a verified purchase.
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Authentic copper peptide
Color is right, mass spec is right, reconstitution is clean. Will reorder.
Triple blend convenience
Three peptides pre-blended at the published research ratios. Saves substantial bench time on multi-arm work.
consistent across lots
third order, third clean lot. cell migration assays line up with what we got from the previous batches.
OXTR receptor work
Du Vigneaud's nine-residue peptide synthesized cleanly here. Disulfide bridge intact by mass spec. Good reagent.
NAD+ substrate quality
Useful for sirtuin activity assays. Quality matches what we used to source from a more expensive supplier.
LR3 modification stable
Long Arg-3 modification — stable in our cell culture. Published growth factor signaling reproduces well.
MC1R work
Cyclic structure looks right by mass spec. Some lot variation in solubility but workable.
Native GHRH(1-29) reference
Good as a pharmacokinetic reference compound. Sequence-authentic. Half-life matched published values.
10mg vials better value
10mg vials for lab use are more practical than 5mg when running multi-arm protocols. quality matches.
Skin tissue work
Pickart's published sequence. Consistent product across two purchases. Recommend.
Niche but useful
DSIP is hard to source at this purity. Glad to have a reliable supplier. Slow delivery, otherwise good.
Combo blend, even mix
Visual inspection shows even lyophilizate. Reconstitutes cleanly. Tendon healing model running well.
Classic GH secretagogue, clean
GHRP-6 from a quality vendor is hard to find consistently. This was clean. Same-day appetite signaling effect we expect from this molecule.
lipolysis assay clean
fragment 176-191 with the tyrosine cap. ran cleanly on hplc. lipolysis curves looked right.
GnRH-axis activation reproduces
Standard kisspeptin-10 LH response curves match published data. Good reagent for hypothalamic work.
Solid product
MC4R receptor work — produced expected dose-response. Slight color variation between lots, possibly normal.
T-cell maturation assay reagent
Reliable T-cell differentiation effect in our culture system. Consistent across two lots so far.
Visceral adipose model work
We are running this against published Theratechnologies data. The lot performs in spec.
Pre-blended saves time
Pre-blended saves us a reconstitution step. Ratio matches the standard 2:1 protocol.
Authentic Khavinson tetrapeptide
Good replication of published telomerase activity data in fibroblast lines. Sequence verified.
clean pulse stimulation
GH pulse in our model came up cleanly with this lot. no complaints.
Mitochondrial signaling work
Activated AMPK as expected in muscle cell line. Solid reagent.
Good but slow shipping
Product is fine. Shipping took longer than the last order. Vials intact.
Consistent purity batch over batch
Third order. HPLC checks have all come back clean. Stable lyophilizate, no caking.
blue tint right where it should be
looks like ghk-cu should look. fluorescence assay results were in expected range. happy.
Reliable for actin migration assays
Reproducible chemotaxis curves across three replicates. COA matched the lot.
Telomerase research supply
Epithalon at 10mg is the sweet spot for our chronic-dose protocols. Quality has been consistent.
PT-141 received
purity ran 98.7 on our qc. matched their coa. shipped fast.
BPC repeat customer
switched all my BPC-157 ordering to 22EXO eight months ago. zero regrets.
Stack at 10mg is the value play
10mg blend at this price point is cheaper than buying separately. Activity matches expected combined response.
triple-blend works
convenience product. saves two reconstitutions per session. quality is fine.
ipa quality matches the bigger names at a better price
compared to two of the bigger established suppliers, 22EXO ipamorelin is indistinguishable in our lab QC tests. price is meaningfully better.
tesamorelin at fair price
tesamorelin has been an expensive peptide to source clean. their pricing and quality are both good.
Reliable across lots
Five lots ordered. Five clean COAs. Five passing internal QCs. That's the metric that matters.
Hard-to-source, theirs is good
MOTS-c is not easy to find at this purity. theirs runs clean on our qc.
TA1 for T-cell maturation work
Thymosin Alpha 1 is a workhorse for our immune research. 22EXO's preparation has been consistent.
Good product, would like a 10mg option
TB-500 quality is excellent. Only feedback: a 10mg vial size would let us run larger arms without reconstituting two 5mg vials per session.
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sermorelin good lot
first time ordering sermorelin from 22EXO. clean cake, dissolved without issues. coa attached.
consistent quality
have ordered four lots over the past year. consistency is what i value most. they deliver
fragment integrity good
ms confirmed correct mw, no truncation. coa was thorough.
blend convenience for combined-arm studies
saves reconstituting two vials. ratio documented. activity matches expected combined response in our wound model
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All peptides are HPLC verified ≥98% purity with published COAs.