Computed from all 1,272 archived reviews — not written by us.
96% of the 1,272 customers who left a review rated their experience 4 or 5 stars. The subjects they raise most often are shipping speed, ordering experience and product quality. Product quality is the most consistently praised (4.92 average across 336 reviews mentioning it). Ordering experience draws the most mixed feedback, at 4.71. The 27 reviews rated 1 or 2 stars are kept in this archive and can be read using the rating filter.
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Written by the company
Prime Lab Peptides is a research-use-only peptide supplier known for consistent product quality and responsive customer support. We're a team of passionate individuals driven by the mission to provide the highest possible quality on the market — not by profit, but by purpose.
FREE & Fast U.S. Shipping
Orders ship within 12 hours – always free.
We process all orders within 12 hours of confirmation. Every package is shipped directly from our U.S. laboratory via FedEx 2Day Air, with full tracking and protective packaging to ensure fast and secure delivery.
I’ve tried 4 different peptide suppliers in the past year and this one stands out hard. Not just quality, but the way they operate. Clear communication, tracking updates, and super fast shipping. I asked for a reconstitution clarification and Sofia replied like 12 minutes later. That’s rare.
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Steven Langley
US ·1 review
I’ve tried 4 different peptide suppliers in the past year and this one stands out hard. Not just quality, but the way they operate. Clear communication, tracking updates, and super fast shipping. I asked for a reconstitution clarification and Sofia replied like 12 minutes later. That’s rare.
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DS
Doyy Stalker
US ·1 review
Used their BPC-157 for an old shoulder injury and wow, 10/10 healing effect. Been through other suppliers and it never felt this smooth. No irritation, no cloudiness in the vial, clean pull every time. Definitely feels like it’s made in a pro lab not someone’s kitchen.
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David Bowles
US ·1 review
Glow is unreal
Glow is unreal. It’s been 10 days and even my boyfriend said something looked different in my skin. It’s clearer, tighter, and I swear my eyes are more “awake.” I don’t usually notice this kind of thing but it’s undeniable. Never had a product show results this quick.
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Caleb Monroe
US ·1 review
Happy overall. Site is easy to use, checkout is secure, and shipping was fast. They even let me know when something came back in stock like I asked.
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Debra Shea
US ·1 review
Didn’t expect much honestly, I just wanted to try tirzepatide without paying pharma prices. Prime Lab came up in a group and I figured why not. First week felt subtle, then boom—no more snacking, hunger just disappeared. It’s been 4 weeks and I’m down 16 pounds. Zero nausea. Zero BS. I'm kinda shook.
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Mike Andrew
US ·1 review
I never thought I’d be writing something like this, but here I am. Three months ago, I looked at myself in the mirror and didntt recognize who I’d become. I was 38, overweight, tired all the time, skin breaking out, clothes tighter every week, and just... defeated. It wasn’t depression exactly, but it was something close. I tried dieting, fasting, gym, cardio, you name it. I’ d lose 2 lbs, gain 3, feel hopeful then crash. It was a loop I couldn’t break. Then one night, I saw a comment in a Reddit thread mentioning Tirzepatide from Prime Lab Peptides. The person sounded like they were describing my exact situation. I clickd. Spent two hours reading reviews, checking the site, triple-checking if it was legit. I hesitated. Then I ordered.(best decision in my last 10 years) The box came 3 days later. Discreet package. Clean silver pouch. Inside: 2 vials, sealed, labeled, and an info sheet that walked me through everything. It felt scientific but not cold. Like someone actually wanted me to succeed. I reconstituted slowly, nervously. Injected the first dose the next morning. I waited. Day one: nothing. Day two: little less hungry. Day three: forgot to eat lunch, not on purpose. Day seven: 6 lbs down. By week two I was down 11 lbs. But more than the weight, it was the feeling. I wasn’t obsessed with food anymore. I wasn’t bloated. I wasnt foggy. Week 3: my wife said “your face looks thinner.” Week 4: I hit -19 lbs. Week 5: -24. Week 6: -31. And then something strange happened. I started waking up before my alarm. My joints didn’t ache. I started stretching in the morning like it was instinct. I looked at old photos and realized I was coming back to the guy I used to be!!. At the same time, I emailed Sofia from support to ask if it was okay to add GLOW to my protocol. She replied in 30 minutes. GLOW hit differently. My skin evened out. I looked less puffy.A girl at the gym Ive never spoken to came up to me and said “you’ve got a good glow these days” — word for word. I almost laughed. I’m now at week 10. Down 39 lbs. Waistline shrunk by two sizes. Energy throug h the roof. Skin like Im in my late 20s again. My mental state? Clear. Focused. Calm. Was it just the peptides? Maybenot. But did Prime Lab give me the tools, structure, and trust to make it happen? 100%. This isnt just a peptide site. This is the beginning of the version of you that you thought was gone. I’m proof. And I’m not going anywhere else. Ever.
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Veronica Smith
US ·1 review
I usually don’t leave reviews but this time I had to. My order came in 2 days, cold pouch still sealed, everything wrapped like a premium product. Even the vial label was cleaner than other brands I tried before. It just feels like they know what they’re doing over there. It gave me trust instantly.
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Rodolfo Stallings
US ·1 review
I’ve tried a few peptide companies and most of them feel like they’re run out of a garage. Prime Lab is different. Their communication is tight, their packaging looks pro, and their results speak for themselves. I’ve had faster recovery, better sleep, and overall smoother research outcomes since switching.
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Connie Castro
US ·1 review
I saw a girl post her before/after in a peptide group and I was like damn, I want that. She told me it was from Prime Lab so I ordered the same stack. Week 3 now and I’m already getting compliments at work. People keep asking what changed and honestly I just smile and say “research protocol” 😂
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Michael Carrick
US ·1 review
I emailed them on a Saturday night thinking I’d get a reply by Monday. They replied in 17 minutes. Seventeen. On a weekend. Who does that? That kind of service is why I’ll stay loyal to this brand. Product is top shelf, but support is what sealed it for me.
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LY ZEPOTI
US ·1 review
I’ve tried a few peptide companies and most of them feel like they’re run out of a garage. Prime Lab is different. Their communication is tight, their packaging looks pro, and their results speak for themselves. I’ve had faster recovery, better sleep, and overall smoother research outcomes since switching. See updated review [https://businessapp.b2b.trustpilot.com/reviews/68b215ceeb8ecad8baeb4222/?locale=en-us&businessUnitId=681f7d9aaa0d32686abce823]
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ANTONIO COMBS
US ·1 review
I placed an order from Los Angeles and wasn’t sure how long it would take, but it actually got here in 4 days which is faster than local pharmacies. Everything inside was labeled, clean, double-sealed, and exactly matched the COA. My research went smooth from day one. Will be using Prime again for sure. See updated review [https://businessapp.b2b.trustpilot.com/reviews/68b1f53864568284cb6ce031/?locale=en-us&businessUnitId=681f7d9aaa0d32686abce823]
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Tasha Leblanc
US ·1 review
Was honestly scared cause I got scammed a few months ago from a site that looked way too slick to be real. But Prime Lab hit different. They kept me updated through every step, support was real (not AI bs), and when I got the box it was perfect. Even got a little folded note thanking me for my order, which felt nice.
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Ethan Calloway
US ·1 review
First time ordering and it went smoothly. Websites was easy to use, payment was simple, and shipping was fast.
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William Rivera
US ·1 review
I usually don’t leave reviews but this time I had to. My order came in 2 days, cold pouch still sealed, everything wrapped like a premium product. Even the vial label was cleaner than other brands I tried before. It just feels like they know what they’re doing over there. It gave me trust instantly.
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TS
Texas Strom
US ·2 reviews
Honestly I was convinced this would be another scam like the last two sites I tried. I even told myself "if this doesn’t work, I’m done with peptides" lol. Well turns out Prime Lab’s the only one that actually delivered what they said. Finally.
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Texas Strom
US ·2 reviews
Just tested the BPC batch I got from them and... damn. HPLC came back 99.84% with no solvent traces, nothing dirty in the chromatogram. It's the first time I don’t have to question what’s in the vial. Legit pharma-tier work.
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Carrie Olsen
US ·1 review
First time ordering and it went smoothly. Website was easy to use, payment was simple, and shipping was fast.
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Michael Weaver
US ·1 review
Top-notch researcs every single time. Customer service replies fast, and shipping is always quick and packaged well. I order about three times a month and never had a single issue.
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How reviews work here
Where these reviews come from
Two sources. 1,272 were left by customers on our former public review profile and rebuilt from the notification we received for each one — the wording, rating and date are the customer's own. The rest were written here since, after an order or directly from this page.
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A human reads each new review for abuse, defamation, personal data or off-topic content — never for its rating. Every decision is logged with its reason, and a published review appears word for word.
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How the rating is computed
A plain average of 1,277 ratings, every review counting once. No weighting, no recency bonus.