Turned up before the estimate
Estimated Thursday, arrived Tuesday. Cold pack intact, certificate in the box, lot matched the vial.
Elena Vargas
Mesa, AZ
Verified
2026-06-04
Customers
Reviews
Unedited feedback from laboratories buying research material. Reviews are collected from verified orders.
4.9
out of 5
177 verified reviews
5★
152
4★
25
3★
0
2★
0
1★
0
Customer reviews
Showing 24 of 152
They actually pick up the phone
Called twice now. Both times a person, both times someone who understood the question.
Gordon Pike
Akron, OH
Verified
2026-06-02
Certificate matched down to the water content
I check moisture figures because they matter for our storage protocol. Reported value lined up with what we measured.
Nadine Okafor
Durham, NC
Verified
2026-05-31
Fifth order, still consistent
Started with one vial in January. Fifth order now. Nothing has slipped.
Colette Ferreira
Newport News, VA
Verified
2026-05-29
COA matched the vial
Checked the lot number on the vial against the certificate before opening anything. It matched, and the HPLC trace was actually legible. That is not a given with other suppliers.
Marcus Whitfield
Tempe, AZ
Verified
2026-05-28
Packaging survived a rough carrier
Box had a corner crushed. Vials were untouched. Whoever specced the foam did it right.
Hector Salazar
Yuma, AZ
Verified
2026-05-27
Straight answer about testing
Asked whether HPLC was in-house. They said third party and named the method. No hedging.
Imani Brooks
Jackson, MS
Verified
2026-05-26
Lot lookup saved an email
Typed the code off the vial into the library and had the certificate in ten seconds.
Ronan Keating-Msha
Boulder, CO
Verified
2026-05-25
Reasonable prices, no gimmicks
Sale price is off a real retail figure. Easy to check against other suppliers.
Priscilla Adeleke
Bronx, NY
Verified
2026-05-24
Third order, no surprises
Third order in about eight months. Same packaging, same labeling, lot documentation each time. Consistency is the whole reason I stopped shopping around.
Dana Kirchner
Portland, OR
Verified
2026-05-22
Documentation is complete
Identity, purity, net content, appearance, moisture. All on one sheet, all tied to the batch.
Yvette Chastain
Shreveport, LA
Verified
2026-05-22
Reordered without thinking about it
Which is the point. I do not want to research my supplier every quarter.
Dmitri Volkov
Naperville, IL
Verified
2026-05-21
Fixed my address error fast
Caught my typo before the label printed after one email. No charge, no attitude.
Angela Boonstra
Kalamazoo, MI
Verified
2026-05-20
Fast out the door
Ordered Tuesday afternoon, tracking hit my inbox Wednesday morning, box arrived Friday. Cold pack was still cold.
Priya Raman
Somerville, MA
Verified
2026-05-19
Net content over nominal
Weighed it. Slightly above the label, consistent with the certificate. Not a supplier shaving margins.
Terrell Muhammad
Milwaukee, WI
Verified
2026-05-19
COAs stay accessible
Needed a certificate from a batch we ran in February. Still in the library.
Sofia Krishnan
Cambridge, MA
Verified
2026-05-18
Cold chain held through a heat wave
Ninety-eight degrees on delivery day. Package still cold when I opened it.
Larissa Ionescu
Bellevue, WA
Verified
2026-05-16
Second supplier I trust
I keep two vendors on file. This one has moved to primary.
Josiah Amankwah
Columbia, SC
Verified
2026-05-15
Labels are readable
Lot code, compound, strength, all legible. Sounds minor until you have thirty vials on a shelf.
Renee Delacruz
Stockton, CA
Verified
2026-05-14
No mystery about origin
They say California and Arizona and put it on the paperwork. Most suppliers will not tell you at all.
Otto Brenneman
Lancaster, PA
Verified
2026-05-13
Bulk order, no mixups
Nine vials, six compounds, nine correct certificates.
Kendra Vasquez
Chula Vista, CA
Verified
2026-05-12
Actually reachable
Called about a delayed shipment and got a person, not a queue. Turned out to be a carrier scan issue and they had already flagged it.
Sarah Lindqvist
Denver, CO
Verified
2026-05-11
Support knew the chemistry
Asked about a blend's components. The rep knew which peptides were in it without checking.
Ali Rahmani
Dearborn, MI
Verified
2026-05-11
Shipping to the middle of nowhere
Rural route, still three days. Better than most.
Britt Halvorsen
Sioux Falls, SD
Verified
2026-05-10
Vials arrive intact
Six orders now and I have never had a cracked vial or a compromised stopper. Whoever packs these knows what they are doing.
Tomás Delgado
Miami, FL
Verified
2026-05-09
Purity varies slightly, which is reassuring
A supplier reporting exactly 99.5 on every batch is not testing. These numbers move.
Camila Restrepo
Hialeah, FL
Verified
2026-05-09
Replacement shipped next day
One stopper looked compromised. Photographed it, sent it in, had a replacement moving within 24 hours.
Fatima Diallo
Minneapolis, MN
Verified
2026-05-07
Documentation is the differentiator
I compare certificates across suppliers as part of intake. These are complete: identity, purity, net content, water content, all on one sheet tied to the batch.
Rachel Nunn
Ann Arbor, MI
Verified
2026-05-06
Prices held all year
Two of my other suppliers raised prices twice since January. These have not moved.
Vaughn Castellano
Buffalo, NY
Verified
2026-05-05
Bought once to test, stayed
Single vial to start. Eight orders later I am still here.
Selena Ortega
Santa Ana, CA
Verified
2026-05-04
Certificate arrived in the box
Physical copy plus the digital one. Redundancy I appreciate for our records.
Marcus Ijeoma
Trenton, NJ
Verified
2026-05-03
Cheaper than the last place
Roughly twenty percent under what I was paying, and the paperwork is better. I expected the tradeoff to go the other way.
Kevin Bui
San Jose, CA
Verified
2026-05-02
Straightforward site
Found what I needed, checked out, done. No upsell carousel, no popup.
Heather Lindgren
Missoula, MT
Verified
2026-05-02
Domestic really means domestic
Shipping labels originate stateside. Not a US address forwarding an overseas parcel.
Rafael Nuñez
Laredo, TX
Verified
2026-05-01
Reliable across nine months
Nothing dramatic to report, which is the best thing I can say about a supplier.
Isaiah Fortenberry
Montgomery, AL
Verified
2026-04-29
Answers on a specific lot
Asked about an older batch we still had on the shelf. They pulled the record without complaint.
Meera Balakrishnan
Plano, TX
Verified
2026-04-28
Freeze-dried format holds up
Shipped in warm weather and arrived dry and intact. The lyophilized format does the heavy lifting.
Corey Lindstrom
Eugene, OR
Verified
2026-04-27
Value is hard to beat
Comparable documentation elsewhere costs noticeably more.
Adaeze Nwachukwu
Aurora, IL
Verified
2026-04-26
Net content was honest
Weighed the contents out of curiosity. Came in slightly over the stated amount, which lines up with what the certificate reported.
Amara Nwosu
Silver Spring, MD
Verified
2026-04-25
No surprises at checkout
Shipping shown before I entered card details. Total matched the estimate.
Stefan Wojciechowski
Omaha, NE
Verified
2026-04-25
Quick to correct a shortfall
One item was out of stock. They refunded that line and shipped the rest same day.
Bella Amaya
Santa Rosa, CA
Verified
2026-04-24
Consistent between lots
Three lots of the same compound within a third of a percent.
Duncan McAllister
Manchester, NH
Verified
2026-04-23
Documentation I can hand to compliance
Our review committee accepted the certificates without follow-up questions.
Priya Venkataraman
Ann Arbor, MI
Verified
2026-04-22
Reordering is painless
Account remembers everything. Two clicks and I am done. Small thing but it adds up when you order monthly.
Doug Ferriter
Cleveland, OH
Verified
2026-04-21
Real people, real answers
Emailed a question that would normally get a canned reply. Got a specific one instead.
Nkechi Obi
Bowie, MD
Verified
2026-04-20
Shipping speed is the differentiator
Two days most orders. My previous supplier averaged nine.
Lorenzo Bianchi
Cranston, RI
Verified
2026-04-19
Answered a question I did not expect them to
Asked about storage tolerance during a heat wave. Got a real answer about the freeze-dried format rather than a copy-paste.
Ivy Castellanos
Sacramento, CA
Verified
2026-04-18
Vials arrive sealed and clean
No residue, no smudged labels, no loose stoppers. Eleven orders.
Autumn Redfeather
Flagstaff, AZ
Verified
2026-04-18
Batch traceability actually works
I can tie every vial on our shelf to a document. That was not true of our last vendor.
Harrison Vo
Garden Grove, CA
Verified
2026-04-17
Good communication when there was a delay
Carrier delay over a holiday. They emailed before I noticed.
Simone Etheridge
Charleston, SC
Verified
2026-04-16
Third order in three months
Same standard every time. Nothing to complain about.
Kwame Boateng
Worcester, MA
Verified
2026-04-15
Batch traceability works
Pulled up a certificate for a lot I bought four months ago. Still there, still matched. That is what makes a supplier usable long term.
Nathaniel Okoro
Charlotte, NC
Verified
2026-04-14
Cheaper and better documented
Not a tradeoff I expected to get.
Nathan Ellsworth
Meridian, ID
Verified
2026-04-13
Certificate is legible
Actual chromatogram, not a blurry scan of a scan.
Yasmin Haddadi
Glendale, CA
Verified
2026-04-12
Reordering takes thirty seconds
Account remembers everything relevant.
Peter Osei
Lansing, MI
Verified
2026-04-11
Packaging is unfussy and effective
No branded confetti, no filler. Insulation, cold pack, vials in foam, documentation on top.
Miriam Lowenstein
Brooklyn, NY
Verified
2026-04-10
Handled a return without friction
Ordered the wrong strength. Sent it back unopened, refunded in four days.
Cora Blackwell
Chattanooga, TN
Verified
2026-04-10
No inflated anchor pricing
The strike-through figure is a real retail price, not theater.
Devon Marchetti
Henderson, NV
Verified
2026-04-09
Cold pack still frozen
Two-day transit, pack solid on arrival.
Ingrid Salazar
Rochester, MN
Verified
2026-04-08
Consistent labeling
Every vial reads the same way. Makes inventory painless.
Jonas Whitcomb
Portland, ME
Verified
2026-04-07
Answered a storage question properly
Asked about a fridge excursion. Got a considered answer, not a disclaimer.
Reginald Ackerman
Springfield, MO
Verified
2026-04-05
Four orders, zero problems
Nothing else to add.
Mina Petrov
Everett, WA
Verified
2026-04-04
Purity figures are believable
The reported numbers vary batch to batch by a few hundredths, which is what real testing looks like. Suspicious when it is always exactly the same.
Yuki Tanaka-Ross
Seattle, WA
Verified
2026-04-03
Documentation before purchase
They sent a sample certificate before I ordered so I could see the format.
Terrence Blake
Savannah, GA
Verified
2026-04-03
Good value on the bundles
The bundle math is real. Checked it against the single prices.
Louise Thibodeaux
Lafayette, LA
Verified
2026-04-02
Fast without being sloppy
Quick dispatch and still correctly packed.
Aaron Kwiatkowski
Scranton, PA
Verified
2026-04-01
They know their own catalog
Asked which compounds were peptides and which were not. Immediate, correct answer.
Divya Sundaram
Cary, NC
Verified
2026-03-31
Second supplier I have kept
I churn through suppliers fast. This is the second one in six years I have stayed with past three orders.
Ruben Ortiz
El Paso, TX
Verified
2026-03-30
Winter shipping handled
Nothing froze solid, nothing thawed. Correct insulation for the season.
Bo Andersen
Fargo, ND
Verified
2026-03-30
Simple returns policy
Short and readable. Usually means they intend to honor it, and they did.
Marisol Cabrera
Visalia, CA
Verified
2026-03-29
Support fixed a mistake I made
I entered the wrong suite number. Emailed, they caught it before the label printed. No charge, no lecture.
Lena Broussard
Baton Rouge, LA
Verified
2026-03-27
Purity documentation is the reason I switched
Previous supplier would not name their testing lab.
Chidinma Eze
Detroit, MI
Verified
2026-03-27
Arrived intact over a long haul
Rural delivery, still three days, still cold.
Sam Kirkpatrick
Cheyenne, WY
Verified
2026-03-26
Support followed up unprompted
Checked in after a delayed delivery to confirm it landed.
Nour Al-Sayed
Fremont, CA
Verified
2026-03-25
Correct item, every order
Fourteen vials so far. Fourteen correct.
Blake Cassidy
Wilmington, DE
Verified
2026-03-24
Certificate arrived with the box
Physical copy in the package and a digital one on the site. Redundancy I appreciate for record keeping.
Simon Achterberg
Madison, WI
Verified
2026-03-23
Clear about what these are
Research-use language stated plainly, everywhere. I prefer that to weasel wording.
Rosa Villanueva
Pueblo, CO
Verified
2026-03-23
Certificates match the vials
I spot-check. They match.
Toby Ferrante
Allentown, PA
Verified
2026-03-22
Price and quality both held
A year in and neither has slipped.
Curtis Ihenacho
Newark, NJ
Verified
2026-03-20
No sticker shock at checkout
Price at the top is the price at the bottom. Shipping was clear before I entered a card.
Chandra Villalobos
Albuquerque, NM
Verified
2026-03-19
Straightforward from order to delivery
No account hoops, no verification theater, no delays.
Katarina Novak
Berwyn, IL
Verified
2026-03-19
Good phone support
Sorted a billing question in one call.
Emmett Rowan
Tuscaloosa, AL
Verified
2026-03-18
Reliable enough to standardize on
We wrote them into our purchasing procedure. That took eight months of consistency.
Sunita Bhandari
Sugar Land, TX
Verified
2026-03-17
Well packed for a small order
One vial, same care as a bulk shipment.
Xander Poole
Reno, NV
Verified
2026-03-16
Batch figures are believable
Small variation lot to lot. That is what measurement looks like.
Gabriela Mendes
Hollywood, FL
Verified
2026-03-15
Never had to chase them
Every question answered on the first reply.
Wilson Achterberg
Boise, ID
Verified
2026-03-14
Lot lookup is genuinely useful
Being able to search by the code printed on the vial saved me an email. More suppliers should do this.
Nadia Faruqi
Fremont, CA
Verified
2026-03-12
Cold shipping done right
Third order in cold months, all arrived correctly.
Owen Brackenridge
Spokane, WA
Verified
2026-03-12
Documentation without asking twice
Certificate in the box and online. No request needed.
Ivana Marić
Kansas City, MO
Verified
2026-03-11
Prices beat the big catalogs
Same documentation standard for meaningfully less.
Damon Whitfield
Little Rock, AR
Verified
2026-03-10
Arrived ahead of the estimate
Estimate said five days, showed up in three. Not complaining.
Grant Eisley
Tulsa, OK
Verified
2026-03-08
No broker in the middle
You can tell from how fast documentation comes back.
Frank Delgado
El Paso, TX
Verified
2026-03-08
Consistent from first order to now
Seven orders, one standard.
Alysha Bennett
Norfolk, VA
Verified
2026-03-07
Certificates are batch specific
Not a generic sheet with a lot number stamped on. Actual per-batch data.
Emil Lindqvist
Saint Paul, MN
Verified
2026-03-06
Consistent between batches
Compared the last three lots of the same compound. Purity within a quarter percent across all three.
Bianca Ferreira
Orlando, FL
Verified
2026-03-05
Support handled an odd request
Needed documentation reissued for an audit. Done same day.
Priya Chatterjee
Irvine, CA
Verified
2026-03-05
Product arrives dry
Lyophilized format is doing its job. Nothing clumped or discolored.
Hunter Vanwinkle
Bozeman, MT
Verified
2026-03-04
Trustworthy on strengths
Label strength and certificate net content agree. Not universal in this market.
Nadia Okonjo
Silver Spring, MD
Verified
2026-03-03
Fast turnaround on a rush
Called about a deadline. They dispatched same day.
Beau Fontenot
New Orleans, LA
Verified
2026-03-02
Cold shipping actually works in winter
Was worried about the opposite problem this time of year. Arrived dry and intact, nothing frozen solid.
Wesley Amundsen
Fargo, ND
Verified
2026-03-01
Six months, no issues
Steady supplier.
Andre Whitlock
Columbus, GA
Verified
2026-02-28
They flagged a carrier problem first
Got an email before I noticed the tracking had stalled.
Freya Oakhurst
Salem, OR
Verified
2026-02-27
Straight answers on documentation
Asked whether the purity test was in-house or third party. Got a direct answer instead of a dodge.
Olamide Adeyemi
Newark, NJ
Verified
2026-02-26
Quality control shows
Every vial identical in fill and finish.
Jamal Rutherford
Memphis, TN
Verified
2026-02-26
Certificates are archived properly
Pulled a document from an order six months old in under a minute.
Lucia Ferrari
Providence, RI
Verified
2026-02-25
Price is fair for what you get
Independent testing is not free. The pricing reflects reality without gouging.
Trent Oyelaran
Killeen, TX
Verified
2026-02-24
Longest shipping route I use
Still arrives correctly packed and cold.
Kirsten Mahoney
Anchorage, AK
Verified
2026-02-23
Emails answered same day
Twice now, both within hours.
Halima Yusuf
Rochester, NY
Verified
2026-02-21
Batch documentation is the whole reason
Without it a purity claim is marketing.
Peter Nakashima
San Mateo, CA
Verified
2026-02-20
Bulk order handled well
Ordered eight vials across four compounds. Every one had its own certificate, correctly matched. No mixing up.
Andre Beaumont
Las Vegas, NV
Verified
2026-02-19
Second year with them
Started small, now our main supplier.
Elise Brandt
Madison, WI
Verified
2026-02-19
No games with shipping cost
Flat and stated up front.
Cyrus Farhadi
Tempe, AZ
Verified
2026-02-18
Right item, right paperwork
Every single time.
Monique Beauchamp
Baton Rouge, LA
Verified
2026-02-17
Straight talk about limitations
Asked something outside research scope and they declined to speculate. I respect that.
Landon Weatherby
Wichita, KS
Verified
2026-02-16
Been ordering since last summer
Nine months, no failed deliveries, no wrong items. That is the whole review.
Sonia Petrakis
Alexandria, VA
Verified
2026-02-15
Good on a bulk order
Twelve vials, correctly documented and correctly packed.
Sanaa Dieng
Atlanta, GA
Verified
2026-02-15
Reliable through the holidays
Ordered late December and it still moved on schedule.
Brooke Sandoval
Tucson, AZ
Verified
2026-02-13
Certificate answered everything
No follow-up questions needed.
Ezra Lindenbaum
Skokie, IL
Verified
2026-02-12
Better value than the big names
Same documentation standard, noticeably lower price. I do not know how they manage it but I will take it.
Chase Woodbury
Bend, OR
Verified
2026-02-11
Consistent purity across batches
Three lots, all within a quarter percent.
Camille Ntumba
Charlotte, NC
Verified
2026-02-11
Well run operation
Order, dispatch, documentation, delivery. All tight.
Ryan Kowalski
Toledo, OH
Verified
2026-02-10
Better than the last three suppliers
Faster, clearer, and cheaper.
Zoe Alistair
Portland, OR
Verified
2026-02-09
Emailed on a Saturday, heard back Monday
Not instant, but they said Monday and it was Monday. Setting an expectation and hitting it counts.
Farrah Nazari
Irvine, CA
Verified
2026-02-08
Documentation format is stable
Same layout every time, which makes our intake process simple.
Nikhil Raghavan
Herndon, VA
Verified
2026-02-08
Fast, correct, documented
Three things I need from a supplier.
Dante Ricci
Yonkers, NY
Verified
2026-02-06
They stand behind mistakes
A carrier lost a box. Reshipped without an argument.
Aisha Kamara
Columbus, OH
Verified
2026-02-05
Labels are legible
Lot code, strength, and compound printed clearly. Sounds trivial until you have a shelf of vials with smudged thermal labels.
Dominic Uhl
Pittsburgh, PA
Verified
2026-02-04
Reliable cold chain
Six orders through winter and summer.
Cole Vandenberg
Grand Rapids, MI
Verified
2026-02-04
Certificate tied to my exact lot
Not a representative document. Mine.
Talia Ben-Ari
Brookline, MA
Verified
2026-02-03
Priced honestly
No fake urgency, no countdown timers.
Marco Delacroix
Fresno, CA
Verified
2026-02-02
Good service on a small account
We order modestly and still get proper attention.
Odette Nwankwo
Baltimore, MD
Verified
2026-02-01
Reordered the same lot family
Wanted continuity with earlier work. They told me which lot was in stock before I ordered so I could decide.
Renata Salas
San Antonio, TX
Verified
2026-01-31
Ships when they say
Every order within the stated window.
Grady Sullivan
Des Moines, IA
Verified
2026-01-31
Clear documentation policy
They explain what is tested and by whom. Rare.
Anika Sharma
Bellevue, WA
Verified
2026-01-30
Two years of steady supply
Nothing has changed for the worse.
Rhonda Callaway
Knoxville, TN
Verified
2026-01-28
Every vial documented
That is the standard and they meet it.
Malik Abdelrahman
Jersey City, NJ
Verified
2026-01-27
Arrived cold in January
Correct packing for the season, again.
Freya Nilsson
Duluth, MN
Verified
2026-01-26
No reason to shop elsewhere
Price, speed, and paperwork all check out.
Sergio Palacios
Corpus Christi, TX
Verified
2026-01-25
Certificate answered my questions before I asked
Water content and appearance were both on the sheet. I did not have to write in to find out.
Margo Delacroix
Asheville, NC
Verified
2026-01-24
No games with the pricing
Sale price is a real discount off a real retail number, not an invented anchor. Easy to verify against other suppliers.
Trevor Iwaniec
Grand Rapids, MI
Verified
2026-01-20
Third-party testing is the point
Anyone can claim ninety-nine percent. Showing the chromatogram and naming the method is different.
Aisha Rahimi
Columbus, OH
Verified
2026-01-17
Small order, same treatment
Ordered one vial to test the waters. Packed and documented exactly like the larger orders I have placed since.
Blake Sorensen
Duluth, MN
Verified
2026-01-13
Support knew the product
Asked a specific question about a blend's composition. The person on the phone knew the answer without transferring me.
Xavier Pruitt
Little Rock, AR
Verified
2026-01-06
Documentation survived the move
Switched institutions and needed old certificates for records. All still accessible by lot number.
Delphine Mora
Santa Fe, NM
Verified
2026-01-02
Fourth order this year
At this point it is habit. Nothing has gone wrong yet, which is the highest compliment I have for a supplier.
Owen Stackhouse
Louisville, KY
Verified
2025-12-29
Clear about what this is and is not
The research-use language is everywhere and stated plainly. I would rather deal with a supplier that is upfront.
Julieta Ramos
Tucson, AZ
Verified
2025-12-22
Correct item every time
Eleven vials ordered, eleven correct. Simple standard, not always met.
Hank Vandermolen
Wichita, KS
Verified
2025-12-18
Refund handled without argument
One vial arrived with a damaged seal. Photographed it, sent it in, replacement shipped the next day.
Ellis Kingsbury
Spokane, WA
Verified
2025-12-11
Prices held through the holidays
Half my suppliers quietly raised prices in December. These did not.
Zora Bekele
Atlanta, GA
Verified
2025-12-08
Cold chain held for a long trip
Longest shipping distance I deal with. Still arrived cold, still intact.
Curtis Nakamura
Anchorage, AK
Verified
2025-12-04
Straightforward returns policy
Read it before ordering. It is written in plain language and it is short, which usually means they intend to honor it.
Rosalind Achebe
Baltimore, MD
Verified
2025-11-30
Batch sheets are archived properly
Went back for a certificate from an order eight months old. Found it in under a minute.
Gil Mazzara
Trenton, NJ
Verified
2025-11-26
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