Vitamin App ReferenceSource-linked nutrient and bioactive reference
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For informational purposes only. Always consult a qualified medical professional before taking any supplement, herb, vitamin, mineral, or bioactive, especially if you use medications or have a medical condition. Read the full disclaimer.

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Compare Bioactives

Compare function, sources, intake guidance, safety flags, and evidence status side by side. This is for orientation only, not for choosing a supplement plan.

Brain & Cognitive

Creatine

Established useReviewed
Function
Supports rapid ATP recycling through the phosphocreatine system in muscle and brain tissue.
Natural Sources
Beef, pork, salmon, tuna, herring, cod.
Intake Guidance
No official RDA, AI, or RDI has been established for this bioactive as a required daily intake.
Safety Flags
kidney disease, pregnancy/breastfeeding, complex medical conditions
Evidence Claims
Strength, power, and lean mass with training, Safety context

Additional Bioactives

HMB

EmergingBasic Entry
Function
Leucine metabolite studied for muscle protein breakdown and training or aging-related muscle contexts.
Natural Sources
Small amounts in foods that contain leucine; catfish, grapefruit, and alfalfa contain trace amounts.
Intake Guidance
No official RDA, AI, or RDI has been established for this bioactive as a required daily intake.
Safety Flags
No specific safety tags added yet.
Evidence Claims
No claim-level evidence summary added yet.