Micronutrients

Deficiency Risk Screener

Use this vitamin deficiency quiz-style screener to identify nutrients worth reviewing from life stage, diet pattern, symptom prompts, medication context.

Diet Risk Score Calculator

Use this diet risk score calculator to review diet quality, micronutrient-pattern risk, and the food-pattern weak points most worth fixing first.

DRI Calculator

Use this DRI calculator to view Dietary Reference Intakes for macronutrients, vitamins, minerals, RDA, AI, AMDR, and upper limits by age, sex, and life stage.

Micronutrient Calculator

Micronutrient calculator for vitamin and mineral requirements by age, sex, and life stage, with RDA, AI, and upper-limit context for supplement-safety review.

Nutrient Density Comparator

Compare curated foods for one vitamin, mineral, or essential fat by serving, 100 g, and 100 kcal to spot the strongest food-first options.

Nutrient Food Gap Calculator

Use this micronutrient gap calculator to estimate the remaining gap to a vitamin, mineral.

Nutrient Intake Calculator

Compare a selected vitamin or mineral intake against age- and life-stage-specific reference values, with target coverage, intake gap, and upper-limit context.

Sodium in Salt Calculator

Use a sodium in salt calculator to convert salt to sodium or sodium to salt with gram, milligram, teaspoon, per-serving split.

Supplement Comparison Calculator

Add food and supplement amounts for one vitamin or mineral.

Vitamin A Calculator

Use a vitamin A calculator to convert IU, mcg RAE, ug, or mg entries, check beta-carotene to vitamin A conversion, split mixed supplement labels.

Vitamin Calculator

Look up age- and life-stage vitamin targets, compare an entered daily amount against the reference, and review form-specific safety notes.

Vitamin D Calculator

Convert vitamin D between mcg and IU, interpret daily or weekly vitamin D labels including 50,000 IU schedules.