Everything DoseRank tracks on the anti-aging & firming serums shelf. The category itself is never ranked: 48 products get scored the moment you say what you want them to do.
How to read the scores
This legend covers the scores on this page — for data sources, scoring weights, and limits, read the full methodology →
Answer a few questions about your goals, habits, stack, and budget. Then, DoseRank will find the products that best match your needs based on your answers. It's free and only takes 60 seconds! No account is required.
A saved, shareable breakdown: your matched products, dose math, interaction flags to discuss with a clinician, and a price-tracked stack you can revisit.
Questions
Each product gets a composite score blending clinical strength, evidence, dose fit, trust and value — computed for the goal you picked, across this category's products. The #1 on the DoseRank tab has the highest composite; the other tabs re-rank the same products by Value, Trust, or Popularity. Placement is never paid.
Start with a goal, not a brand
Browsing anti-aging & firming serums supplements without a goal makes no sense — different products do different jobs, and “best” flips depending on which job you're hiring for. These are the 45 health outcomes that matter for this category. Pick yours, and the full evidence-ranked shelf loads for that goal alone.
Gamma-glutamyl transferase (GGT)Marker of cholestasis, alcohol exposure, or hepatic stress.1 rankedModerate-strong
Ketone levelsCirculating ketone concentrations, relevant in fasting or ketogenic states.2 rankedStrong
TolerabilityOverall ability to continue the intervention without unacceptable side effects.4 rankedModerate-strong
Coagulation statusOverall blood clotting tendency.3 rankedStrong
Omega-3 indexRed blood cell EPA+DHA content reflecting omega-3 status.5 rankedStrong
Aspartate aminotransferase (AST)Enzyme used to assess liver and muscle injury.2 rankedStrong
Thyroid-stimulating hormonePituitary hormone used to assess thyroid status.5 rankedStrong
C-reactive proteinAcute-phase inflammatory marker.10 rankedStrong
Bone turnover markersBiochemical indicators of bone formation and resorption.7 rankedStrong
Hair growth or densityIncrease or preservation of scalp or body hair.3 rankedModerate-strong
Alanine aminotransferase (ALT)Liver enzyme used to assess hepatocellular injury.6 rankedStrong
Libido or sexual desireInterest in sexual activity.2 rankedModerate-strong
Vitamin K statusBiochemical sufficiency of vitamin K.4 rankedStrong
Hepatic steatosisExcess fat accumulation in the liver.14 rankedStrong
Eye strainVisual fatigue or discomfort from eye use.3 rankedModerate-strongNothing is ranked yet — the shelf stays locked until you pick a goal.
No goal, no ranking.
A “best anti-aging & firming serums supplement” list without a goal would be marketing, not evidence. Pick what you want to improve and DoseRank scores all 48 products against that goal's trials.