Peptide bonds absorb strongly around 190 to 220 nanometres; aromatic rings add a weaker, distinct band near 280 that other components rarely share. A peptide with aromatics can be measured at 280 against a near-zero background; one without can be measured only at the lower wavelengths, where the background is everything. BPC-157 is in the second group, as are GHK-Cu and most short peptides.
MOTS-c, with a tryptophan and two tyrosines, is in the first group and its page sets out the calculation.
Reversed-phase chromatography with detection at 214 against a calibration curve of a reference of known content, which is the routine method. Amino acid analysis, which hydrolyses the peptide and quantifies its residues, for assigning the content of a reference. Gravimetric content from the certificate — net peptide content times gross mass — for a vial as supplied.
None of these is a direct reading on a solution the way 280 absorbance is.
Because the blend contains one component that cannot be read at 280 and one, the thymosin fragment, that may have a single phenylalanine and still reads poorly. Direct absorbance is not a route to the concentration of either in this product. This is an analytical property, not a procedure.
The BPC-157 + TB500 blend is supplied by REVIVE LAB UAE for laboratory research use only, with identity by mass spectrometry and purity by HPLC for each component of the batch. It is not for human or veterinary use, and no dosing, administration or protocol guidance is provided.
| Format | Strength | Price | Availability |
|---|---|---|---|
| BPC-157 + TB500 Pack | 5 mg + 5 mg | AED 510 | In stock |
Delivery is AED 40 flat and free on orders over AED 700. Payment is cash on delivery anywhere in the UAE, or USDT (TRC20) in advance, which takes 5% off the order total.
Peptide bonds absorb strongly around 190 to 220 nanometres; aromatic rings add a weaker, distinct band near 280 that other components rarely share. A peptide with aromatics can be measured at 280 against a near-zero background; one without can be measured only at the lower wavelengths, where the background is everything. BPC-157 is in the second group, as are GHK-Cu and most short peptides.
No. REVIVE LAB UAE supplies research materials and provides no dosing, administration or protocol guidance of any kind. Every product is sold for laboratory research use only and is not for human or veterinary consumption.
Stock is held in Dubai. An order confirmed before 4 PM Dubai time is dispatched the same working day, reaching Dubai and Abu Dhabi the same day and the remaining emirates within 24 hours. Delivery is AED 40 flat and free over AED 700.
Supplied for laboratory research use only. Not for human or veterinary consumption. REVIVE LAB UAE provides no dosing, administration or protocol guidance.