Updated weekly
The best peptide companies, ranked.
We score every company on a few simple things: quality, trust, shipping, and price. No paid placements.
#1
HLX
Helix Bio
Premium quality, full lab transparency.
Lab verifiedPremium
Avg. purity
99.2%
+2 this week
Quality
99.2%
Trust
98/100
Shipping
96/100
Price
$4.20/mg
#2
CTX
Cortex Labs
Consistent purity, friendly support.
Lab verified
Avg. purity
98.7%
0 this week
Quality
98.7%
Trust
96/100
Shipping
93/100
Price
$3.80/mg
#3
APX
Apex Research
Fast shipping, solid all-rounder.
Fast shipping
Avg. purity
98.1%
+1 this week
Quality
98.1%
Trust
95/100
Shipping
97/100
Price
$3.55/mg
#4
NBB
Northbound Bio
Community favorite, fair prices.
Community pick
Avg. purity
97.4%
-1 this week
Quality
97.4%
Trust
93/100
Shipping
90/100
Price
$3.30/mg
#5
PPC
Pure Peptide Co.
Boutique vendor, premium feel.
Premium
Avg. purity
97%
+3 this week
Quality
97%
Trust
91/100
Shipping
88/100
Price
$4.60/mg
#6
MER
Meridian Sciences
Lab-first approach, transparent batches.
Lab verified
Avg. purity
96.5%
-2 this week
Quality
96.5%
Trust
90/100
Shipping
89/100
Price
$3.90/mg
#7
VEC
Vector Compounds
Best price-to-quality on basics.
Best value
Avg. purity
95.8%
0 this week
Quality
95.8%
Trust
88/100
Shipping
87/100
Price
$2.95/mg
#8
ATL
Atlas Peptides
Fast shipping, growing catalog.
Best valueFast shipping
Avg. purity
95.4%
+1 this week
Quality
95.4%
Trust
87/100
Shipping
91/100
Price
$2.80/mg
#9
LMN
Lumen Research
Reliable basics, low-fuss buying.
Avg. purity
95%
0 this week
Quality
95%
Trust
85/100
Shipping
86/100
Price
$3.10/mg
#10
QNT
Quanta Bio
Newcomer with strong early reviews.
Rising
Avg. purity
94.6%
+4 this week
Quality
94.6%
Trust
82/100
Shipping
84/100
Price
$3.40/mg
How we score companies. Quality comes from third-party lab tests. Trust blends user reviews and time on market. Price is the average cost per milligram across their catalog. We never accept payment for ranking.