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Six guided steps

One step appears at a time.

Start with the exact claim. Each prompt includes help and an example. “Not sure” is a useful answer when a detail is missing.

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Step 1 of 6

Save the exact claim

Start with one small claim you can check.

What to do

Copy the claim as written. Do not make it stronger or weaker.
Turn the claim into one question the source should answer.
If something is missing, write “Not sure.” That is a useful answer.

Claim: A statement that says a product does something.

What does the claim say?

Copy one sentence or write the claim in your own words.

Where did you see or hear it?

Name the post, video, website, ad, podcast, or person. Add a link if you have one.

When did you find it?

Use today’s date if you do not know when the claim was published.

What one question will you check?

Ask whether the source shows the result for the kind of person and product in the claim.

Peptide Literacy Lab

Claim Check Workbook

Blank answers are shown as “Not answered.”

Step 1: Save the exact claim

What does the claim say?: Not answered
Where did you see or hear it?: Not answered
When did you find it?: Not answered
What one question will you check?: Not answered

Step 2: Identify the product

What is the exact finished product?: Not answered
How is it used?: Not answered
What product status can you confirm?: Not answered
Where did you check, and what is still missing?: Not answered

Step 3: Check the source

What is the original source?: Not answered
What kind of evidence is it?: Not answered
Who or what was studied?: Not answered
What did the study test, and what was it compared with?: Not answered
What result was measured, and for how long?: Not answered
What are the main harms, missing facts, and limits?: Not answered
What is one careful sentence the source supports?: Not answered
What does the source not show?: Not answered

Step 4: Compare the claim with the source

C + L — Did you save the exact claim and original source?: Not answered
A + I — Did you name the product status and evidence type?: Not answered
M — Does the study match the claim?: Not answered
S — What important facts are still unknown?: Not answered
Write your one-sentence bottom line: Not answered

Step 5: Prepare useful questions

What do you need to ask about the product?: Not answered
What do you need to ask about the evidence?: Not answered
What do you need to ask about risks?: Not answered
What alternatives should be compared?: Not answered
Which unknowns matter most?: Not answered

Step 6: Save your bottom line

When did you review this claim?: Not answered
What is your bottom line?: Not answered
What is your best source?: Not answered
What new evidence could change your view?: Not answered
What will you do next?: Not answered

Use it with the class

Each Peptides 101 module points to the matching section.

Open the self-paced class

Check one claim, step by step.