Journal of Food Science and Nutrition

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Commentary - Journal of Food Science and Nutrition (2024) Volume 7, Issue 1

Assessing nutritional status: Tools and techniques for nutritional assessment

Sudhakar Suresh *

Department of Food Science and Nutrition, University of Cardiff, Wales, United Kingdom

*Corresponding Author:
Sudhakar Suresh
Department of Food Science and Nutrition
University of Cardiff
Wales, United Kingdom

Received:25-Jan-2024, Manuscript No. AAJFSN-23-13530; Editor assigned:27-Jan-2024, PreQC No. AAJFSN-23-13530(PQ); Reviewed:10-Feb-2024, QC No. AAJFSN-23-13530; Revised:16-Feb-2024, Manuscript No. AAJFSN-23-13530(R); Published:22-Feb-2024, DOI:10.35841/aajfsn-7.1.224

Citation: Suresh S. Assessing nutritional status: Tools and techniques for nutritional assessment. J Food Sci Nutr 2024;7(1):224

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Nutritional status refers to the overall health and well-being of an individual in relation to their diet and nutrition. It encompasses factors such as nutrient intake, nutrient biomarkers, body composition, and physical health indicators. Assessing nutritional status is essential for identifying nutritional deficiencies, guiding dietary interventions, and promoting optimal health and well-being. In this article, we will explore the various tools and techniques used for nutritional assessment and their applications in clinical practice and research [1].

Nutritional assessment can identify individuals at risk of nutrient deficiencies, allowing for timely intervention and prevention of health problems associated with inadequate nutrient intake.Nutritional assessment provides a baseline measure of nutritional status that can be used to monitor the effectiveness of dietary interventions and track changes in nutritional status over time [2].

Nutritional assessment helps identify risk factors for malnutrition, such as poor dietary habits, chronic diseases, medication use, and socioeconomic factors, enabling targeted interventions to mitigate these risks. Population-level nutritional assessment data provide valuable insights into dietary patterns, nutrient intake, and nutritional deficiencies, informing the development of public health policies and nutrition education programs [3].

Dietary assessment methods are used to evaluate an individual's dietary intake and nutrient intake patterns. These FFQs are self-administered questionnaires that ask individuals to report their frequency of consumption of various foods and beverages over a specified period (e.g., the past month or year). FFQs provide information on habitual dietary intake and are useful for assessing long-term dietary patterns [4].

24-hour dietary recalls involve asking individuals to recall all foods and beverages consumed in the past 24 hours. Trained interviewers collect detailed information on food types, portion sizes, and preparation methods. Multiple recalls may be conducted to capture variation in dietary intake. Food records involve individuals recording all foods and beverages consumed over a specified period (e.g., 3-7 days). Food records provide detailed information on dietary intake but may be subject to underreporting or inaccuracies [5].

Biomarkers are objective measures of nutrient status or dietary intake that can be measured in biological samples such as blood, urine, or saliva. Examples of nutrient biomarkers include serum levels of vitamins, minerals, and fatty acids, as well as urinary excretion of nitrogen and electrolytes. Anthropometric measurements assess body size, shape, and composition and provide information on nutritional status, growth, and development [6].

Height and weight measurements are used to calculate Body Mass Index (BMI), a commonly used indicator of body fatness and weight status. BMI is calculated as weight (kg) divided by height squared (m^2). Waist circumference is a measure of abdominal fat and central obesity, which are risk factors for chronic diseases such as cardiovascular disease and type 2 diabetes [7].

Biochemical assessments measure concentrations of specific nutrients or metabolic markers in biological samples such as blood, urine, or saliva. Blood tests measure serum or plasma levels of specific nutrients such as vitamins, minerals, lipids, and glucose. Common blood tests for nutritional assessment include Complete Blood Count (CBC), lipid profile, fasting blood glucose, and micronutrient panels [8,9].

Urinalysis assesses urinary excretion of specific nutrients, electrolytes, and metabolic byproducts. Urinary biomarkers such as nitrogen, creatinine, and electrolytes provide information on protein intake, kidney function, and hydration status [10].


Clinical assessments involve evaluating physical signs and symptoms of nutritional deficiencies or imbalances. Dermatologic signs such as dry skin, brittle nails, and hair loss can indicate deficiencies of vitamins, minerals, and essential fatty acids.Ophthalmologic signs such as night blindness, dry eyes, and corneal changes can indicate vitamin A deficiency.


  1. Augustin M, Schommers P, Stecher M, et al. Post-COVID syndrome in non-hospitalised patients with COVID-19: a longitudinal prospective cohort study. The Lancet Regional Health–Europe. 2021;6.

Indexed at, Google Scholar, Cross Ref

  1. Rathmann W, Bongaerts B, Carius HJ, et al. Basic characteristics and representativeness of the German Disease Analyzer database. Int J Clin Pharmacol Ther. 2018;56(10):459.

Indexed at, Google Scholar, Cross Ref

  1. Chiappetta S, Sharma AM, Bottino V, et al. COVID-19 and the role of chronic inflammation in patients with obesity. Int J Obes. 2020;44(8):1790-2.

Indexed at, Google Scholar, Cross Ref

  1. Siegers JY, Novakovic B, Hulme KD, et al. A high-fat diet increases influenza A virus-associated cardiovascular damage. J Infect Dis. 2020;222(5):820-31.

Indexed at, Google Scholar, Cross Ref

  1. Tagliabue C, Principi N, Giavoli C, et al. Obesity: Impact of infections and response to vaccines. Eur J Clin Microbiol Infect Dis. 2016;35:325-31.

Indexed at, Google Scholar, Cross Ref

  1. Clarke R, Daly L, Robinson K, et al. Hyperhomocysteinemia: An independent risk factor for vascular disease. N Engl J Med. 1991;324(17):1149-55.

Indexed at, Google Scholar, Cross Ref

  1. Werstuck GH, Lentz SR, Dayal S, et al. Homocysteine-induced endoplasmic reticulum stress causes dysregulation of the cholesterol and triglyceride biosynthetic pathways. J Clin Invest. 2001;107(10):1263-73.

Indexed at, Google Scholar, Cross Ref

  1. Zhang S, Bai YY, Luo LM, et al. Association between serum homocysteine and arterial stiffness in elderly: a community-based study. J Geriatr Cardiol. 2014;11(1):32.

Indexed at, Google Scholar, Cross Ref

  1. Gaiday AN, Tussupkaliyev AB, Bermagambetova SK, et al. Effect of homocysteine on pregnancy: a systematic review. Chem Biol Interact. 2018;293:70-6.

Indexed at, Google Scholar, Cross Ref

  1. Brouwer IA, Van Dusseldorp M, Thomas CM, et al. Low-dose folic acid supplementation decreases plasma homocysteine concentrations: a randomized trial. Am J Clin Nutr. 1999 ;69(1):99-104.

Indexed at, Google Scholar, Cross Ref


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