AssayIndex
GSP cross-section

GSP timeline

Every GSP batch the index holds, newest manufacture date first, with the supplier's declared purity beside the median of the index's independent observations of the same lot.

39 batches210 reportsquarters 2024-Q1–2026-Q3
LotCompoundManufacturedQuarterTestsIndependent medianSpread (pp)COA purityDivergence (pp)
GSP-2607-N3316L-Glutathione (reduced)20 Jul 20262026-Q3998.570.5298.70+0.13
GSP-2605-K2548ARA-29011 May 20262026-Q2899.580.7699.90+0.32
GSP-2604-X3197TB-50002 Apr 20262026-Q2298.850.0098.45-0.40
GSP-2603-E2342Survodutide24 Mar 20262026-Q3798.431.3798.09-0.34
GSP-2601-S2590Semaglutide08 Jan 20262026-Q2299.270.0599.76+0.49
GSP-2512-H2477Selank25 Dec 20252026-Q1199.79n<299.88+0.09
GSP-2512-E2121BPC-15715 Dec 20252026-Q2499.010.5899.13+0.12
GSP-2512-N3107PT-141 (Bremelanotide)03 Dec 20252026-Q2499.620.7399.48-0.14
GSP-2512-H2024Semaglutide01 Dec 20252026-Q2798.611.0598.64+0.03
GSP-2511-C2613SLU-PP-33208 Nov 20252025-Q4199.50n<299.500.00
GSP-2511-Y3244TB-50002 Nov 20252026-Q2199.34n<299.340.00
GSP-2508-F2325GHRP-630 Aug 20252025-Q3699.540.5599.47-0.07
GSP-2508-S2438TB-50017 Aug 20252026-Q1199.38n<299.32-0.06
GSP-2508-H2704BPC-15714 Aug 20252026-Q1598.900.3299.09+0.19
GSP-2508-Y2817PT-141 (Bremelanotide)10 Aug 20252025-Q4199.40n<299.57+0.17
GSP-2508-U2933Afamelanotide09 Aug 20252025-Q4799.400.2399.61+0.21
GSP-2507-A3112NAD+15 Jul 20252025-Q3499.100.5999.52+0.42
GSP-2506-P3349Liraglutide23 Jun 20252025-Q4899.060.9699.01-0.05
GSP-2506-D1645Oxytocin16 Jun 20252025-Q3198.90n<299.01+0.11
GSP-2505-E2912Liraglutide28 May 20252025-Q3298.680.0199.21+0.53
GSP-2505-S3107AOD-960413 May 20252025-Q4198.39n<298.50+0.11
GSP-2503-R3069BPC-15725 Mar 20252025-Q3999.510.7899.16-0.35
GSP-2503-B2806NAD+20 Mar 20252025-Q31299.900.7399.68-0.22
GSP-2501-G2894Tesamorelin24 Jan 20252025-Q1298.710.4598.74+0.03
GSP-2501-J1983Thymosin α119 Jan 20252025-Q2998.781.3098.86+0.08
GSP-2501-R1969MK-677 (Ibutamoren mesylate)18 Jan 20252025-Q11199.510.7499.59+0.08
GSP-2501-R2981Semaglutide14 Jan 20252025-Q11298.500.8798.62+0.12
GSP-2411-B2043Retatrutide29 Nov 20242025-Q2897.750.8098.07+0.32
GSP-2411-J3226NAD+15 Nov 20242025-Q2199.31n<299.01-0.30
GSP-2411-S3103Retatrutide14 Nov 20242025-Q1597.870.4897.870.00
GSP-2411-L1648AOD-960410 Nov 20242025-Q2499.130.5498.30-0.83
GSP-2411-J2886Vilon06 Nov 20242025-Q1199.00n<299.31+0.31
GSP-2410-U3278LL-3703 Oct 20242024-Q4898.120.5697.93-0.19
GSP-2408-K2005Semax31 Aug 20242024-Q4399.820.5299.90+0.08
GSP-2405-W2517Semaglutide08 May 20242024-Q21598.901.0598.93+0.03
GSP-2404-P1970Semax29 Apr 20242024-Q31399.930.2199.88-0.05
GSP-2402-G2914BPC-15714 Feb 20242024-Q1299.020.0298.64-0.38
GSP-2401-W1769TB-50012 Jan 20242024-Q21298.930.7299.54+0.61
GSP-2311-C2103Hexarelin11 Nov 20232024-Q1199.10n<299.41+0.31