WolverinePeptideStack.com covers experimental compounds for which the available evidence may be incomplete, preliminary, or heavily based on nonhuman research.
This makes source selection and accurate qualification especially important.
The standards below explain how we evaluate research, regulatory documents, anecdotal reports, and commercial information.
Our Evidence Hierarchy
Not all sources provide the same level of evidence.
When evaluating claims, we generally give greater weight to sources in approximately the following order:
- Systematic reviews and well-conducted meta-analyses
- Randomized controlled human trials
- Other controlled human studies
- Observational human research
- Case reports
- Animal studies
- Laboratory and in-vitro studies
- Mechanistic theories
- Expert commentary
- Manufacturer or vendor claims
- Testimonials, forums, and anecdotal reports
This hierarchy is not absolute. A poorly designed human study may provide less reliable information than a rigorous preclinical study for a narrow mechanistic question.
The quality, relevance, sample size, methodology, conflicts of interest, and reproducibility of the evidence also matter.
Primary Sources
Whenever practical, we prefer primary sources such as:
- Original research papers
- Regulatory documents
- Official anti-doping lists
- Clinical trial records
- Government publications
- Laboratory reports
- Original company policies
Secondary sources may be used to explain context, identify research, or summarize a complicated issue, but important claims should be traced back to the underlying source when possible.
Peer Review
Publication in a peer-reviewed journal may improve a source’s credibility, but peer review does not guarantee that a study is correct.
We may also consider:
- Study design
- Number of subjects
- Control groups
- Statistical methods
- Conflicts of interest
- Whether the results were replicated
- Whether the study examined humans, animals, cells, or isolated tissue
- Whether the measured outcome is clinically meaningful
- Whether the conclusion exceeds the actual findings
Animal and Laboratory Research
A significant portion of the discussion surrounding BPC-157 and TB-500 comes from animal or laboratory research.
These studies may help researchers investigate:
- Biological mechanisms
- Cell migration
- Angiogenesis
- Inflammatory signaling
- Tendon or ligament models
- Tissue remodeling
- Wound-healing processes
However, a positive result in cells, rats, mice, or another animal does not prove that the same effect will occur safely or effectively in humans.
Articles should identify the type of model used whenever that distinction affects the reader’s interpretation.
Human Evidence
Human evidence is given greater weight when it is relevant and well designed.
We consider factors such as:
- Number of participants
- Randomization
- Blinding
- Control groups
- Duration
- Dosage
- Administration route
- Participant characteristics
- Outcome measures
- Adverse-event reporting
- Loss to follow-up
- Funding and conflicts of interest
A small uncontrolled study, conference abstract, or case report should not be described as definitive clinical proof.
Proposed Mechanisms
A biologically plausible mechanism does not establish a clinical benefit.
For example, evidence that a compound interacts with a repair-related pathway does not, by itself, prove that using the compound will heal an injury or improve recovery in humans.
Mechanistic information should be described as an explanation of how an effect might occur, not proof that the effect will occur.
Anecdotes and Testimonials
Testimonials, forum posts, social-media discussions, customer reviews, and personal experiences may be mentioned to explain public interest or commonly reported experiences.
They are not treated as controlled scientific evidence.
Anecdotal results may be influenced by:
- Placebo effects
- Natural recovery
- Physical therapy
- Rest or training changes
- Concurrent medications
- Other supplements or compounds
- Product mislabeling
- Selective reporting
- Individual differences
We do not consider a collection of positive testimonials equivalent to a clinical trial.
Product and Vendor Information
Commercial pages may use information from:
- Product labels
- Vendor websites
- Published testing documents
- Certificates of analysis
- Customer-service policies
- Shipping and refund information
- Public business records
- Direct communication with a company
Vendor-supplied information is identified and evaluated as commercial information rather than independent scientific evidence.
A certificate of analysis may provide useful information, but its value depends on factors such as:
- Whether it is batch-specific
- Whether the product can be matched to the tested batch
- The identity of the laboratory
- The methods used
- The date of testing
- Whether purity, identity, sterility, endotoxins, or other characteristics were actually tested
- Whether the document can be authenticated
The existence of a certificate does not independently guarantee that every product sold by a company matches the tested sample.
Regulatory Sources
For United States regulatory information, we prioritize official materials from agencies such as the Food and Drug Administration and other relevant government bodies.
For sporting rules, we prioritize the current prohibited lists and guidance issued by organizations such as the World Anti-Doping Agency, the United States Anti-Doping Agency, and the applicable sport governing body.
A regulatory review, committee meeting, nomination, enforcement policy, or compounding discussion should not be described as FDA approval unless formal approval has actually occurred.
Regulatory and anti-doping information may change. Articles dealing with these issues should be reviewed periodically and should identify the applicable year or effective date when relevant.
Dates and Updates
We consider both the publication date and the date on which the underlying event occurred.
A recently published article may describe older research, while an older official document may remain the current controlling authority.
Articles may display:
- An original publication date
- A last-updated date
- A medical-review date
- An editor’s note
An updated date indicates that meaningful review or revision occurred. It does not necessarily mean that every section was rewritten.
Conflicting Evidence
When reliable sources disagree, we aim to:
- Describe the disagreement
- Explain differences in study design or interpretation
- Avoid presenting one conclusion as universally accepted
- Give greater weight to stronger and more directly relevant evidence
- Identify what remains uncertain
We do not resolve a scientific dispute solely by counting the number of articles supporting each side.
Citation Practices
Citations should be placed close enough to the relevant claim that readers can identify which source supports it.
Whenever possible, citations should link to:
- The original paper
- A permanent abstract or database record
- An official government page
- An official regulatory document
- The current governing policy
We avoid citing a commercial article as the sole support for a significant medical claim when a more authoritative source is available.
Commercial Claims
Claims appearing on a seller’s website are not automatically accepted as established facts.
Statements involving healing, pain reduction, injury recovery, performance, safety, purity, or legality should be evaluated using independent evidence whenever possible.
Affiliate compensation does not increase the scientific strength of a claim.
Corrections
Readers who believe a source has been misrepresented or that newer evidence should be considered may submit a correction request through our Contact page.
Please include the relevant page, disputed statement, and supporting source.
Requests are reviewed under our Corrections Policy.