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href="https://www.longdom.org/pharmaceutical-sciences-journals.html" title="Click Here">Pharmaceutical Sciences</a> </nav> </div> </div>  </aside> <div class="col-12 col-sm-9 full-text"> <div class="row align-items-center justify-content-between"> <div class="col-12 col-sm-4"> <p class="text-muted mb-0"> Short Communication - (2024)Volume 14, Issue 4 </p> </div> <div class="col-12 col-sm-8 text-right custom-column"> <a href="https://www.longdom.org/open-access/the-foundation-of-nutrition-understanding-macronutrients.pdf" title="View PDF" class="btn btn-sm bg-green-600 rounded-50"><i class="fas fa-file-pdf"></i> View PDF</a> <a href="https://www.longdom.org/pdfdownload.php?download=open-access/the-foundation-of-nutrition-understanding-macronutrients.pdf&aid=110370" title="Download PDF" class="btn btn-sm bg-green-600 rounded-50"><i class="fas fa-download"></i> Download PDF</a> </div> </div> <h2 class="font-size-7 mt-2">The Foundation of Nutrition: Understanding Macronutrients</h2> <a href='https://www.longdom.org/author/misaki-nakajima-72508' title='Misaki Nakajima' style='color:#555; border-bottom:1px dotted #CCC;'>Misaki Nakajima</a><sup><a href='#Misaki_Nakajima'>*</a></sup> <div> </div> <a id="Misaki_Nakajima"></a> <strong><sup>*</sup>Correspondence:</strong> Misaki Nakajima, Department of Nutritional Sciences, Ritsumeikan University, Japan, <strong>Email:</strong> <i class='fa fa-envelope' aria-hidden='true' title='nakajimamisaki@123.jp'></i> <p><a href="#ai"><strong>Author info »</strong></a></p> <h4>Introduction</h4> <p>Macronutrients are the cornerstone of human nutrition, providing the essential energy and building blocks necessary for maintaining health and supporting bodily functions. Unlike micronutrients, which are needed in smaller quantities, macronutrients are required in larger amounts to sustain life. They are divided into three primary categories: carbohydrates, proteins, and fats, each playing a distinct role in the body’s overall well-being. Carbohydrates are the body’s preferred source of energy, particularly for high-intensity activities and brain function. They are classified into simple and complex forms. These include sugars like glucose, fructose, and sucrose, found in foods such as fruits, honey, and table sugar. Simple carbohydrates are quickly absorbed by the body and provide a rapid energy boost. However, excessive consumption of refined sugars can lead to energy spikes and crashes, and contribute to weight gain and metabolic issues. These consist of longer chains of sugar molecules and are found in foods like whole grains, legumes, and vegetables. Complex carbohydrates provide a more sustained release of energy and are rich in dietary fiber, which <a target='_blank' href='https://www.longdom.org/peer-reviewed-journals/aids-113.html'>aids</a> digestion and helps maintain stable blood sugar levels. Proteins are crucial for growth, repair, and maintenance of tissues [1,2]. They are made up of amino acids, some of which are essential and must be obtained through the diet, while others are non-essential and can be synthesized by the body.</p> <h4>Description</h4> <p>Proteins are categorized into complete and incomplete sources. These provide all essential amino acids and are typically found in animal products such as meat, fish, eggs, and dairy. Plant-based sources like quinoa and soybeans are also considered complete proteins. Found in plant foods such as beans, nuts, and grains, incomplete proteins lack one or more essential amino acids. However, by combining different plant-based foods, such as rice and beans, one can obtain all essential amino acids. Proteins play a vital role in building and repairing tissues, producing enzymes and hormones, and supporting immune function. Adequate protein intake is essential for muscle growth and maintenance, especially for athletes and individuals undergoing physical stress. Fats, also known as lipids, are a concentrated source of energy and are necessary for various bodily functions. They are classified into several types. Found in animal products like meat and dairy, as well as some plant oils, such as <a target='_blank' href='https://www.longdom.org/peer-reviewed-journals/coconut-18687.html'>coconut</a> oil. High consumption of saturated fats has been linked to increased levels of LDL cholesterol and higher risk of cardiovascular diseases. These include monounsaturated and polyunsaturated fats, which are considered heart-healthy. Sources include <a target='_blank' href='https://www.longdom.org/peer-reviewed-journals/olive-21612.html'>olive</a> oil, avocados, nuts, and fatty fish [3,4]. Omega-3 and omega-6 fatty acids, found in fish, flaxseeds, and walnuts, are essential for brain health and reducing inflammation.</p> <h4>Conclusion</h4> <p>Created through industrial processes to increase shelf life, trans fats are found in many processed foods and can raise LDL cholesterol levels while lowering HDL cholesterol. Their consumption should be minimized to reduce the risk of heart disease. Achieving a balanced diet involves incorporating appropriate amounts of carbohydrates, proteins, and fats. Each macronutrient plays a unique role in supporting overall health, and their optimal balance can vary based on individual needs, such as activity level, age, and health goals. For most people, a balanced approach might include approximately 45%-65% of calories from carbohydrates, 10%-35% from proteins, and 20%- 35% from fats. Macronutrients are fundamental to human health, providing energy, supporting growth, and ensuring proper function of the body.</p> <h4>Acknowledgement</h4> <p>None.</p> <h4>Competing Interest</h4> <p>The authors declare that they have no competing interests.</p> <h4>References</h4> <ol><li id='Reference_Title_Link' value='1'><a name=1 id='1'></a>Friedman SL, Tetri BAN, Rinella M, Sanyal AJ. <a href="https://www.nature.com/articles/s41591-018-0104-9">Mechanisms of NAFLD development and therapeutic strategies</a>. Nat Med. 2018; 24(7):908-922. <p>[<a href="https://doi.org/10.1038/s41591-018-0104-9">Crossref</a>] [<a href="https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Mechanisms+of+NAFLD+development+and+therapeutic+strategies&btnG=">Google Scholar</a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/29967350/">PubMed</a>]</p></li><li id='Reference_Title_Link' value='2'><a name=2 id='2'></a>Manne V, Handa P, Kowdley KV. <a href="https://linkinghub.elsevier.com/retrieve/pii/S1089326117300685">Pathophysiology of nonalcoholic fatty liver disease/nonalcoholic steatohepatitis</a>. Clin Liver Dis. 2018; 22(1):23-37. <p>[<a href="https://doi.org/10.1016/j.cld.2017.08.007">Crossref</a>] [<a href="https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Pathophysiology+of+nonalcoholic+fatty+liver+disease%2Fnonalcoholic+steatohepatitis&btnG=">Google Scholar</a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/29128059/">PubMed</a>]</p></li><li id='Reference_Title_Link' value='3'><a name=3 id='3'></a>Chen D, Le TH, Shahidipour H, Read SA, Ahlenstiel G. <a href="https://www.mdpi.com/2073-4409/8/11/1324">The role of gut-derived microbial antigens on liver fibrosis initiation and progression</a>. Cells. 2019; 8(11):1324. <p>[<a href="https://doi.org/10.3390/cells8111324">Crossref</a>] [<a href="https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=The+role+of+gut-derived+microbial+antigens+on+liver+fibrosis+initiation+and+progression&btnG=">Google Scholar</a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/31717860/">PubMed</a>]</p></li><li id='Reference_Title_Link' value='4'><a name=4 id='4'></a>Reha JL, Lee S, Hofmann LJ. <a href="https://journals.sagepub.com/doi/abs/10.1177/000313481408000624">Prevalence and predictors of nonalcoholic steatohepatitis in obese patients undergoing bariatric surgery: A department of defense experience</a>. Am Surg. 2014; 80(6):595-599. <p>[<a href="https://doi.org/10.1177/000313481408000624">Crossref</a>] [<a href="https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Prevalence+and+predictors+of+nonalcoholic+steatohepatitis+in+obese+patients+undergoing+bariatric+surgery%3A+A+Department+of+Defense+experience&btnG=">Google Scholar</a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/24887798/">PubMed</a>]</p></li></ol>   <div class="card bg-light mb-3"> <div class="card-body px-3 pb-0"> <h4 class="font-size-4"><a id="ai"></a>Author Info</h4> <a href='https://www.longdom.org/author/misaki-nakajima-72508' title='Misaki Nakajima' style='color:#555; border-bottom:1px dotted #CCC;'>Misaki Nakajima</a><sup><a href='#Misaki_Nakajima'>*</a></sup> <div> </div> Department of Nutritional Sciences, Ritsumeikan University, Japan<br> <div> </div> <p><strong>Citation:</strong> Nakajima M (2024) The Foundation of Nutrition: Understanding Macronutrients. J Nutr Food Sci. 14:33.</p> <p> <strong>Received: </strong>31-Jul-2024, Manuscript No. jnfs-24-33758; <strong>Editor assigned: </strong>02-Aug-2024, Pre QC No. jnfs-24-33758 (PQ); <strong>Reviewed: </strong>16-Aug-2024, QC No. jnfs-24-33758; <strong>Revised: </strong>21-Aug-2024, Manuscript No. jnfs-24-33758 (R); <strong>Published:</strong> 28-Aug-2024 , DOI: 10.35248/2155-9600.24.14.33</p> <p><strong>Copyright: </strong>© 2024 Nakajima M. 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