A simple grid of identity, content and purity for each pen in the STRENGTH bundle, so a gap in the paperwork shows up as a gap and not as a failed test.
A certificate for a three-peptide blend has more to read than most. This walk-through covers each part of a GLOW report and the limits worth keeping in mind.
A request for "the COA" often gets an answer that leaves the real question open. How to frame a TB-500 analysis request so the reply is useful first time.
A report for a three-peptide pen may show one purity percentage. Before it goes on a purchasing form, work out what it measures and which peptide it belongs to.
A report link on a product page is a starting point, not a finished check. How to tell whether a copper peptide report covers GHK-Cu alone or the GLOW blend.
Two purity percentages can look alike and measure different things. Here are the details to find on a report so the method behind the figure is never a mystery.
A certificate is a snapshot of one tested sample. Here are the links that connect it to the stock you receive, and the part of the chain that sits with you.