SterlingMedicalCenter.org is committed to editorial transparency. This page documents the research methodology, affiliate relationships, and disclosure practices that govern all content published by the SMC Research Desk.
Affiliate Relationship Disclosure
Per the Federal Trade Commission's Endorsement Guides (16 CFR Part 255), this disclosure is provided to ensure readers understand the material connection between this publication and the products or services discussed in its content. Specific affiliate relationships are also disclosed at the article level within every piece of content containing affiliate links.
What affiliate compensation does and does not influence:
Affiliate relationships do not determine which products are reviewed, what editorial conclusions are reached, or how products are rated within any analysis. Products with affiliate programs receive the same evidence-based evaluation as products without them. The SMC Research Desk has published unfavorable assessments of products with active affiliate relationships and favorable assessments of products with no affiliate relationship. Commission potential is never a factor in editorial judgment.
Research Methodology
All product and platform analyses published on SterlingMedicalCenter.org follow a standardized evaluation framework. The methodology prioritizes the following evidence hierarchy:
Tier 1 — Human clinical trials: Randomized, double-blind, placebo-controlled trials published in peer-reviewed journals represent the strongest form of evidence. Meta-analyses and systematic reviews of multiple trials are weighted most heavily.
Tier 2 — Human observational studies: Cohort studies, case-control studies, and epidemiological data provide supporting evidence but are not treated as equivalent to controlled trials.
Tier 3 — Preclinical research: Animal studies, in vitro research, and mechanistic studies provide theoretical plausibility but are clearly identified as preliminary. Claims supported only by preclinical data are flagged as unproven in humans.
Tier 4 — Manufacturer-supplied data: Unpublished proprietary studies, internal testing data, and marketing-sourced claims are treated with appropriate skepticism and clearly labeled as manufacturer claims rather than independent findings.
Tier 5 — Testimonials and anecdotal evidence: Customer reviews, social media reports, and individual user experiences are noted for context but never treated as evidence of efficacy.
Dosage and Formulation Standards
The SMC Research Desk evaluates whether product formulations deliver ingredients at dosages consistent with published clinical research. Key assessment criteria include:
Clinically studied dosage match — the dosage of each active ingredient is compared to amounts used in published clinical trials. Significant underdosing is flagged.
Proprietary blend transparency — formulations that hide individual ingredient dosages behind proprietary blend labels receive lower confidence ratings. Full label transparency is considered a baseline standard.
Bioavailability considerations — delivery format, co-factors affecting absorption, and ingredient forms (e.g., magnesium oxide vs. magnesium glycinate) are evaluated when published research supports meaningful differences.
Regulatory and Manufacturing Standards
Products are assessed for compliance with applicable regulatory standards including:
FDA registration status — whether the manufacturing facility is registered with the FDA (required for dietary supplements sold in the United States).
Good Manufacturing Practice (GMP) certification — whether the manufacturer operates under current Good Manufacturing Practice guidelines as defined by 21 CFR Part 111.
Third-party testing — whether the product has been independently tested by organizations such as USP, NSF International, or ConsumerLab for purity, potency, and contaminant screening.
Enforcement history — whether the manufacturer or brand has received FDA warning letters, FTC enforcement actions, or other regulatory citations.
Editorial Independence
The SMC Research Desk maintains complete editorial independence from the brands, platforms, and products reviewed on this site. No manufacturer, advertiser, or affiliate partner has review, approval, or editorial control over any content published on SterlingMedicalCenter.org. Product manufacturers are not notified prior to publication and are not given the opportunity to alter editorial conclusions.
Not Medical Advice
All content published on SterlingMedicalCenter.org is for informational and educational purposes only. This site is not a medical practice and does not provide medical advice, diagnosis, or treatment. Readers should consult a qualified healthcare provider before starting, stopping, or modifying any supplement, medication, or health program. This is especially important for readers managing chronic conditions, taking prescription medications, or considering weight loss interventions.