Your supplement stack is only as good as the forms you choose.
We analyze 240+ ingredients with bioavailability research — so you pick the best.
240+
Ingredients
With bioavailability tiers and research-backed dosing ranges
500+
Form Comparisons
Head-to-head breakdowns of competing supplement forms
4
Formulary Tiers
T1 Preferred through T4 Mapped — ranked by bioavailability
Detailed breakdowns for every ingredient: available forms, bioavailability tiers, and research-backed dosing ranges.
Which form of each supplement delivers the most benefit? Our proprietary data answers that question for the most common ingredients.
The most commonly combined ingredients from real supplement product data.
Side-by-side breakdowns of the most debated supplement form choices.
Explore ingredients grouped by type.
See how popular supplements stack up against our formulary. Find out which ingredients in your current products have higher-quality alternatives.
Find the best-absorbed forms for your specific health priorities
Science-backed ingredients that may support sleep quality and relaxation as part of a healthy lifestyle.
Adaptogenic and calming ingredients traditionally used to support a healthy stress response.
Nootropic and neuroprotective ingredients that may support memory, focus, and cognitive function.
Mitochondrial and metabolic support ingredients that may support healthy energy production.
Ingredients that may support healthy immune system function and natural immune resilience.
Cardiovascular support ingredients that may support healthy circulation, blood flow, and lipid balance.
Amino acids and performance ingredients that may support muscle recovery and exercise performance.
Prebiotic, probiotic, and gut-lining support ingredients that may support digestive function.
Neurotransmitter-supporting and methylation ingredients that may support healthy mood and emotional balance.
Build a personalized supplement formula using the research-backed forms from our ingredient library.
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