GLOSSARY

Dietary Adequacy The extent to which the overall dietary pattern supplies enough energy and essential nutrients for the person concerned.

Assess adequacy using usual intake, an appropriate requirement distribution and the purpose of the assessment. A single day below a recommended allowance does not diagnose deficiency. Population estimates and decisions about an individual require different reasoning; some methods also rely on assumptions that do not hold for every nutrient. Intake ratios summarize a comparison, not absorption or clinical status. An apparently favorable average across nutrients can hide a serious shortfall in one, so retain the individual nutrient findings and relevant clinical context.

Dietary reference systems distinguish average requirements, recommended intakes, adequate intakes and upper limits. Their meaning depends on the authority, population, life stage and nutrient. An average requirement is intended to meet the needs of about half of a specified healthy group, whereas a recommended allowance covers nearly all. These are not interchangeable with food-label values. For an athlete, identify the reference system first, then consider whether training or clinical circumstances require an individualized assessment beyond that population framework.

An adequate intake is used when evidence is insufficient to establish an average requirement and a recommended allowance. Intake at or above that value can support a judgment of adequacy, but intake below it does not establish the probability of inadequacy. An upper intake level concerns risk of adverse effects, not an intake goal. Its scope may include all sources or only specified forms. Check the nutrient-specific definition before combining food, fortified products and supplements in an athlete's intake review.

For example, an athlete's short record can include a low-calcium day and an unusually high-intake day. Review habitual food sources and the relevant reference instead of labeling either day a clinical diagnosis. Keep the nutrient-specific finding visible even if an overall diet score appears reassuring.

Usual intake describes a longer-term average rather than the intake of one isolated day. Day-to-day variation includes real differences between training, rest and competition days as well as measurement noise. Repeated observations should cover relevant conditions and be collected with a suitable method. Averaging a few unusual days can still give a misleading estimate. For the athlete, preserve useful information about distribution and timing: an acceptable weekly energy average can coexist with repeated underfueling around demanding sessions.

Nutrient status reflects intake, absorption, distribution, stores, losses and physiological demand. A normal blood concentration may not exclude depleted stores, while an abnormal result can have non-nutritional causes. Calcium in blood, for example, does not directly measure dietary calcium adequacy or skeletal reserves. Different nutrients require different assessment strategies. Select tests for a defined clinical question and interpret them with symptoms, diet, relevant disease and sampling conditions instead of ordering a broad panel and assuming every number is a performance target.

Choose a dietary assessment method according to the question, population and resources. A recent intake record can explore meal timing around training; a frequency questionnaire can describe longer-term patterns. Neither automatically establishes exact habitual intake. Combine food details with training, access, symptoms, medication and relevant measurements. Explain uncertainties and what the method cannot answer. Good assessment produces a decision that can be reviewed, rather than an impressive nutrient report whose apparent precision exceeds the quality of the information collected.