Live price comparison
Cheapest Semax right now
$0.256/mg at Sunrise BioResearch, the lowest of 283 vendors we track. The dearest is $27.80/mg — 108× the price for the same milligram. Last checked September 19, 2026.
| # | Vendor | Price / mg | Rating | |
|---|---|---|---|---|
| 1 | Sunrise BioResearch Cheapest Online store | $0.256 | — | Visit |
| 2 | Online store | $0.333 | — | Visit |
| 3 | Online store | $0.450 | — | Visit |
| 4 | Online store | $0.550 | — | Visit |
| 5 | Online store COA | $0.971 | 4.5Rated 4.5 out of 5 | Visit |
| 6 | Online store | $1.00 | — | Visit |
| 7 | Online store | $1.12 | — | Visit |
| 8 | Online store | $1.18 | — | Visit |
| 9 | Online store | $1.20 | — | Visit |
| 10 | Online store | $1.31 | — | Visit |
| 11 | Online store | $1.33 | 5.0Rated 5.0 out of 5 | Visit |
| 12 | Online store COA | $1.33 | 3.8Rated 3.8 out of 5 | Visit |
| 13 | Online store | $1.50 | — | Visit |
| 14 | Online store | $1.50 | — | Visit |
| 15 | Online store | $1.57 | — | Visit |
| 16 | Online store | $1.60 | — | Visit |
| 17 | Online store | $1.60 | — | Visit |
| 18 | Online store | $1.60 | — | Visit |
| 19 | Online store | $1.68 | — | Visit |
| 20 | Online store | $1.75 | — | Visit |
| 21 | Online store | $1.80 | — | Visit |
| 22 | Online store | $1.83 | — | Visit |
| 23 | Online store | $1.87 | — | Visit |
| 24 | Online store | $1.90 | — | Visit |
| 25 | Online store | $1.92 | — | Visit |
| 26 | Online store | $1.93 | — | Visit |
| 27 | Online store | $2.00 | — | Visit |
| 28 | Online store | $2.00 | — | Visit |
| 29 | Online store | $2.00 | — | Visit |
| 30 | Online store | $2.00 | — | Visit |
| 31 | Online store | $2.02 | — | Visit |
| 32 | Online store | $2.10 | — | Visit |
| 33 | Online store COA | $2.12 | 4.9Rated 4.9 out of 5 | Visit |
| 34 | Online store | $2.13 | — | Visit |
| 35 | Online store | $2.17 | — | Visit |
| 36 | Online store | $2.19 | — | Visit |
| 37 | Online store | $2.24 | — | Visit |
| 38 | Online store COA | $2.27 | — | Visit |
| 39 | Online store | $2.30 | — | Visit |
| 40 | Online store | $2.30 | — | Visit |
| 41 | Online store COA | $2.32 | 4.4Rated 4.4 out of 5 | Visit |
| 42 | Online store | $2.33 | — | Visit |
| 43 | Online store | $2.33 | — | Visit |
| 44 | Online store COA | $2.46 | — | Visit |
| 45 | Online store | $2.50 | — | Visit |
| 46 | Online store | $2.50 | — | Visit |
| 47 | Online store COA | $2.50 | — | Visit |
| 48 | Online store | $2.50 | — | Visit |
| 49 | Online store | $2.50 | — | Visit |
| 50 | Online store | $2.50 | — | Visit |
| 51 | Online store | $2.50 | — | Visit |
| 52 | Online store | $2.50 | — | Visit |
| 53 | Online store | $2.50 | — | Visit |
| 54 | Online store COA | $2.52 | 4.8Rated 4.8 out of 5 | Visit |
| 55 | Online store | $2.57 | — | Visit |
| 56 | Online store | $2.60 | — | Visit |
| 57 | Online store | $2.63 | — | Visit |
| 58 | Online store COA | $2.67 | 4.8Rated 4.8 out of 5 | Visit |
| 59 | Online store | $2.67 | — | Visit |
| 60 | Online store | $2.70 | — | Visit |
| 61 | Online store | $2.70 | — | Visit |
| 62 | Online store | $2.70 | — | Visit |
| 63 | Online store | $2.73 | — | Visit |
| 64 | Online store | $2.75 | — | Visit |
| 65 | Online store | $2.80 | — | Visit |
| 66 | Online store | $2.85 | — | Visit |
| 67 | Online store | $2.85 | — | Visit |
| 68 | Online store | $2.90 | — | Visit |
| 69 | Online store | $3.00 | — | Visit |
| 70 | Online store | $3.00 | — | Visit |
| 71 | Online store | $3.00 | — | Visit |
| 72 | Online store | $3.00 | — | Visit |
| 73 | Online store | $3.00 | — | Visit |
| 74 | Online store COA | $3.00 | 4.8Rated 4.8 out of 5 | Visit |
| 75 | Online store | $3.00 | — | Visit |
| 76 | Online store | $3.00 | — | Visit |
| 77 | Online store | $3.00 | — | Visit |
| 78 | Online store | $3.00 | — | Visit |
| 79 | Online store | $3.00 | — | Visit |
| 80 | Online store | $3.00 | — | Visit |
| 81 | Online store | $3.08 | — | Visit |
| 82 | Online store | $3.18 | — | Visit |
| 83 | Online store | $3.20 | — | Visit |
| 84 | Online store | $3.20 | — | Visit |
| 85 | Online store COA | $3.24 | — | Visit |
| 86 | Online store | $3.30 | — | Visit |
| 87 | Online store | $3.30 | — | Visit |
| 88 | Online store | $3.33 | — | Visit |
| 89 | Online store | $3.36 | — | Visit |
| 90 | Online store | $3.40 | 1.0Rated 1.0 out of 5 | Visit |
| 91 | Online store | $3.41 | — | Visit |
| 92 | Online store | $3.50 | — | Visit |
| 93 | Online store COA | $3.50 | — | Visit |
| 94 | Online store | $3.50 | — | Visit |
| 95 | Online store | $3.50 | — | Visit |
| 96 | Online store | $3.50 | — | Visit |
| 97 | Online store | $3.50 | — | Visit |
| 98 | Online store | $3.50 | — | Visit |
| 99 | Online store | $3.50 | — | Visit |
| 100 | Online store | $3.50 | — | Visit |
| 101 | Online store | $3.50 | — | Visit |
| 102 | Online store | $3.50 | — | Visit |
| 103 | Online store | $3.50 | — | Visit |
| 104 | Online store | $3.50 | — | Visit |
| 105 | Online store | $3.50 | — | Visit |
| 106 | Online store | $3.50 | — | Visit |
| 107 | Online store | $3.50 | — | Visit |
| 108 | Online store | $3.50 | — | Visit |
| 109 | Online store | $3.57 | — | Visit |
| 110 | Online store | $3.60 | — | Visit |
| 111 | Online store | $3.60 | — | Visit |
| 112 | Online store | $3.60 | — | Visit |
| 113 | Online store | $3.63 | — | Visit |
| 114 | Online store | $3.64 | — | Visit |
| 115 | Online store | $3.64 | — | Visit |
| 116 | Online store | $3.66 | — | Visit |
| 117 | Online store | $3.70 | — | Visit |
| 118 | Online store | $3.73 | — | Visit |
| 119 | Online store | $3.75 | — | Visit |
| 120 | Online store | $3.80 | — | Visit |
| 121 | Online store | $3.80 | — | Visit |
| 122 | Online store | $3.80 | — | Visit |
| 123 | Online store | $3.80 | — | Visit |
| 124 | Online store | $3.80 | — | Visit |
| 125 | Online store | $3.82 | — | Visit |
| 126 | Online store | $3.90 | — | Visit |
| 127 | Online store | $3.90 | — | Visit |
| 128 | Online store | $3.90 | 4.3Rated 4.3 out of 5 | Visit |
| 129 | Online store | $3.90 | — | Visit |
| 130 | Online store | $3.91 | — | Visit |
| 131 | Online store | $4.00 | — | Visit |
| 132 | Online store | $4.00 | — | Visit |
| 133 | Online store | $4.00 | — | Visit |
| 134 | Online store COA | $4.00 | — | Visit |
| 135 | Online store | $4.00 | — | Visit |
| 136 | Online store | $4.00 | — | Visit |
| 137 | Online store | $4.00 | — | Visit |
| 138 | Online store | $4.00 | — | Visit |
| 139 | Online store | $4.00 | — | Visit |
| 140 | Online store | $4.00 | — | Visit |
| 141 | Online store | $4.00 | — | Visit |
| 142 | Online store | $4.00 | — | Visit |
| 143 | Online store | $4.00 | — | Visit |
| 144 | Online store | $4.00 | — | Visit |
| 145 | Online store | $4.00 | — | Visit |
| 146 | Online store | $4.00 | — | Visit |
| 147 | Online store | $4.00 | — | Visit |
| 148 | Online store | $4.00 | — | Visit |
| 149 | Online store | $4.06 | — | Visit |
| 150 | Online store | $4.17 | — | Visit |
| 151 | Online store | $4.20 | — | Visit |
| 152 | Online store | $4.20 | — | Visit |
| 153 | Online store | $4.20 | — | Visit |
| 154 | Online store | $4.20 | — | Visit |
| 155 | Online store | $4.25 | — | Visit |
| 156 | Online store | $4.25 | — | Visit |
| 157 | Online store COA | $4.32 | 2.8Rated 2.8 out of 5 | Visit |
| 158 | Online store | $4.32 | — | Visit |
| 159 | Online store | $4.40 | — | Visit |
| 160 | Online store COA | $4.40 | 4.8Rated 4.8 out of 5 | Visit |
| 161 | Online store | $4.40 | — | Visit |
| 162 | Online store | $4.40 | — | Visit |
| 163 | Online store | $4.49 | — | Visit |
| 164 | Online store | $4.50 | — | Visit |
| 165 | Online store | $4.50 | — | Visit |
| 166 | Online store | $4.50 | — | Visit |
| 167 | Online store | $4.50 | — | Visit |
| 168 | Online store | $4.50 | — | Visit |
| 169 | Online store | $4.50 | — | Visit |
| 170 | Online store | $4.50 | — | Visit |
| 171 | Online store | $4.50 | — | Visit |
| 172 | Online store | $4.50 | — | Visit |
| 173 | Online store | $4.50 | — | Visit |
| 174 | Online store | $4.50 | — | Visit |
| 175 | Online store | $4.50 | — | Visit |
| 176 | Online store | $4.50 | — | Visit |
| 177 | Online store | $4.50 | — | Visit |
| 178 | Online store | $4.52 | — | Visit |
| 179 | Online store | $4.55 | — | Visit |
| 180 | Online store | $4.60 | — | Visit |
| 181 | Online store | $4.60 | — | Visit |
| 182 | Online store | $4.60 | — | Visit |
| 183 | Online store COA | $4.80 | 4.7Rated 4.7 out of 5 | Visit |
| 184 | Online store | $4.80 | — | Visit |
| 185 | Online store | $4.90 | — | Visit |
| 186 | Online store | $4.95 | — | Visit |
| 187 | Online store | $5.00 | — | Visit |
| 188 | Online store | $5.00 | — | Visit |
| 189 | Online store | $5.00 | — | Visit |
| 190 | Online store | $5.00 | — | Visit |
| 191 | Online store | $5.00 | — | Visit |
| 192 | Online store | $5.00 | — | Visit |
| 193 | Online store | $5.00 | — | Visit |
| 194 | Online store | $5.00 | — | Visit |
| 195 | Online store | $5.00 | — | Visit |
| 196 | Online store | $5.00 | — | Visit |
| 197 | Online store | $5.00 | — | Visit |
| 198 | Online store | $5.00 | — | Visit |
| 199 | Online store COA | $5.00 | 4.7Rated 4.7 out of 5 | Visit |
| 200 | Online store | $5.00 | — | Visit |
| 201 | Online store | $5.00 | — | Visit |
| 202 | Online store | $5.00 | — | Visit |
| 203 | Online store | $5.00 | — | Visit |
| 204 | Online store | $5.08 | — | Visit |
| 205 | Online store | $5.10 | — | Visit |
| 206 | Online store | $5.10 | — | Visit |
| 207 | Online store | $5.14 | — | Visit |
| 208 | Online store | $5.17 | — | Visit |
| 209 | Online store | $5.20 | — | Visit |
| 210 | Online store | $5.20 | — | Visit |
| 211 | Online store | $5.40 | — | Visit |
| 212 | Online store | $5.50 | — | Visit |
| 213 | Online store | $5.50 | — | Visit |
| 214 | Online store | $5.50 | — | Visit |
| 215 | Online store | $5.59 | — | Visit |
| 216 | Online store | $5.60 | — | Visit |
| 217 | Online store | $5.80 | — | Visit |
| 218 | Online store | $5.80 | — | Visit |
| 219 | Online store | $6.00 | — | Visit |
| 220 | Online store | $6.00 | — | Visit |
| 221 | Online store COA | $6.00 | 4.8Rated 4.8 out of 5 | Visit |
| 222 | Online store | $6.00 | — | Visit |
| 223 | Online store | $6.00 | — | Visit |
| 224 | Online store | $6.00 | — | Visit |
| 225 | Online store | $6.00 | — | Visit |
| 226 | Online store | $6.00 | — | Visit |
| 227 | Online store | $6.00 | — | Visit |
| 228 | Online store | $6.10 | — | Visit |
| 229 | Online store | $6.25 | — | Visit |
| 230 | Online store | $6.40 | — | Visit |
| 231 | Online store COA | $6.40 | 4.5Rated 4.5 out of 5 | Visit |
| 232 | Online store | $6.50 | — | Visit |
| 233 | Online store | $6.50 | — | Visit |
| 234 | Online store | $6.50 | — | Visit |
| 235 | Online store COA | $6.50 | 4.1Rated 4.1 out of 5 | Visit |
| 236 | Online store | $6.50 | — | Visit |
| 237 | Online store | $6.50 | — | Visit |
| 238 | Online store | $7.00 | — | Visit |
| 239 | Online store | $7.00 | — | Visit |
| 240 | Online store | $7.00 | — | Visit |
| 241 | Online store | $7.00 | — | Visit |
| 242 | Online store | $7.00 | — | Visit |
| 243 | Online store | $7.00 | — | Visit |
| 244 | Online store | $7.00 | — | Visit |
| 245 | Online store | $7.00 | — | Visit |
| 246 | Online store | $7.00 | — | Visit |
| 247 | Online store | $7.20 | — | Visit |
| 248 | Online store | $7.50 | — | Visit |
| 249 | Online store | $7.56 | — | Visit |
| 250 | Online store | $7.60 | — | Visit |
| 251 | Online store | $7.90 | — | Visit |
| 252 | Online store COA | $8.00 | — | Visit |
| 253 | Online store COA | $8.00 | — | Visit |
| 254 | Online store | $8.00 | — | Visit |
| 255 | Online store | $8.00 | — | Visit |
| 256 | Online store | $8.00 | — | Visit |
| 257 | Online store | $8.32 | — | Visit |
| 258 | Online store | $8.40 | — | Visit |
| 259 | Online store | $8.40 | — | Visit |
| 260 | Online store | $8.51 | — | Visit |
| 261 | Online store | $8.64 | — | Visit |
| 262 | Online store | $8.71 | — | Visit |
| 263 | Online store | $8.90 | — | Visit |
| 264 | Online store | $8.90 | — | Visit |
| 265 | Online store | $9.00 | — | Visit |
| 266 | Online store | $9.00 | — | Visit |
| 267 | Online store | $9.00 | — | Visit |
| 268 | Online store | $9.00 | — | Visit |
| 269 | Online store | $9.00 | — | Visit |
| 270 | Online store | $9.20 | — | Visit |
| 271 | Online store | $9.37 | — | Visit |
| 272 | Online store | $10.40 | — | Visit |
| 273 | Online store | $10.56 | — | Visit |
| 274 | Online store | $11.00 | — | Visit |
| 275 | Online store | $11.00 | 5.0Rated 5.0 out of 5 | Visit |
| 276 | Online store | $11.00 | — | Visit |
| 277 | Online store | $11.00 | — | Visit |
| 278 | Online store | $11.50 | — | Visit |
| 279 | Online store COA | $14.00 | 4.8Rated 4.8 out of 5 | Visit |
| 280 | Online store | $14.60 | — | Visit |
| 281 | Online store | $15.50 | — | Visit |
| 282 | Online store | $18.00 | — | Visit |
| 283 | Online store | $27.80 | — | Visit |
Prices checked — the newest verification among the vendors shown; individual rows may be older. What “checked” means.
Prices are cost per milligram, normalised for comparison, and may be out of date — always confirm on the vendor’s own site before ordering. Some outbound links are affiliate links and never affect our rankings or ratings. Wholesale suppliers are quote-based and priced per mg at indicative bulk rates.