Chapter 6

~5 min read The Nourished Table

Nutrition 101 for Lifestyle Managers

Before diving into specific diet charts or recipes, it's crucial to understand the basic nutrition principles that inform all our meal planning. A Lifestyle Manager doesn't need to be a dietitian, but should be conversant with macronutrients, micronutrients, hydration, and how they relate to different ages and goals. This "Nutrition 101" is a quick primer.

Macronutrients: The Big 3

Macronutrients are the nutrients we need in large amounts -- Carbohydrates, Proteins, and Fats. A balanced meal plan gets the right proportions of each:

Carbohydrates (CHO) -- Energy suppliers. Carbs are the primary fuel for our body and brain. 1 gram of carbs provides 4 kcal of energy. Healthy sources include whole grains (wheat, rice, millets), starchy vegetables (potato, sweet potato), fruits, and dairy. Carbs should form the largest chunk of calories, especially for active individuals — roughly 50-60% of total intake in a general balanced diet[familydoctor.org](https://familydoctor.org/nutrition-for-athletes/#:~:text=Nutrition%20for%20Athletes%20,another%20important%20source%20of%20calories). However, quality matters: prefer complex carbs (which digest slowly and don't spike blood sugar as much) over simple sugars. Complex carbs have fibre and nutrients — for example brown rice vs. white, multigrain atta vs. maida. They provide sustained energy, aiding metabolism and keeping one full[mayoclinic.org](https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/low-glycemic-index-diet/art-20048478#:~:text=Clinic%20www,for%3A%20Losing%20weight%3B%20Lowering). Simple carbs (refined sugar, sweets, colas) can cause energy crashes and weight gain if overused[pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/34352885/#:~:text=,weight%20loss%20and%20obesity%20prevention)[healthline.com](https://www.healthline.com/nutrition/low-glycemic-diet#:~:text=A%20Beginner%27s%20Guide%20to%20the,disease%20and%20type%202%20diabetes). In Indian diets, carbs are often dominant (rice/roti) — we try to balance that by using high-fibre versions and pairing with protein/fibre to lower the Glycaemic Index. Fibre (technically a carb) is crucial: aim for \~30 g/day for adults, as it aids digestion and satiety[ncbi.nlm.nih.gov](https://www.ncbi.nlm.nih.gov/books/NBK562207/#:~:text=colon%20cancer,13). Whole fruits, veggies, whole grains and legumes give fibre. We emphasise "eat the rainbow" of fruits/veg to get a variety of carbs and accompanying phytonutrients[foodrevolution.org](https://foodrevolution.org/blog/eating-the-rainbow-health-benefits/#:~:text=Eat%20the%20Rainbow%3A%20Why%20Color,your%20body%20needs%20to%20thrive). For example, roti + sabzi + dal is better than a big plate of rice alone because the fibre/protein in sabzi-dal slows the absorption of the rice's carbs[healthline.com](https://www.healthline.com/nutrition/portion-control#:~:text=9%20Tips%20to%20Measure%20and,fat%20foods%3A%20small%20portion). Note: in certain plans (like Gut Reset or Keto), carb percentage will deviate, but for most families, maintaining \~50% calories from carbs, focusing on complex sources, meets energy needs while controlling blood sugar. Also, remember 100-130 g/day of carbs is the minimum for the brain's glucose needs[metabolichealthdigest.com](https://metabolichealthdigest.com/nutrient-requirements-for-indians-icmr-nin-2020/#:~:text=CARBOHYDRATE%E2%80%93%20Dietary%20intake%20of%20carbohydrate,ages%201%20year%20and%20above) -- so even weight-loss or diabetic diets shouldn't cut carbs too extremely.

Proteins -- Body builders and repairers. Protein is essential for building and repairing tissues (muscles, organs, skin), making enzymes and hormones, and supporting immunity. 1 gram protein = 4 kcal. Proteins are made of amino acids; some are essential (must come from diet). How much: The general requirement for a healthy adult is \~0.8 g per kg body weight[nin.res.in](https://www.nin.res.in/rdabook/brief_note.pdf#:~:text=%28ICMR,are%201%20g%2Fkg%20per%20day) (roughly 50-60 g/day for many adults) — though Indian recommendations are slightly lower historically, the latest ICMR guidelines put it at 0.83 g/kg/day[nin.res.in](https://www.nin.res.in/rdabook/brief_note.pdf#:~:text=%28ICMR,are%201%20g%2Fkg%20per%20day). To simplify: for an average adult, include a protein source in every meal. Children need less absolute protein but more relative to size (for example, a 10-year-old might need \~30+ g/day[metabolichealthdigest.com](https://metabolichealthdigest.com/nutrient-requirements-for-indians-icmr-nin-2020/#:~:text=Children%20%281,18y%29%3A%2046.0%20g%2Fd)). Needs increase with high activity, pregnancy, and in the elderly[pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC10101356/#:~:text=other%20than%20exercise%20is%20protein,malnourished%20or%20with%20chronic%20illness34). Sources: Animal proteins (meat, fish, eggs, dairy) contain all essential amino acids (complete proteins). Plant proteins (dal, beans, soy, nuts, seeds) are often incomplete, but variety ensures all amino acids are met; classic combos like dal + rice or roti + besan (legume + cereal) yield a complete protein profile. For vegetarians, dairy and soy are excellent — for example, 1 cup milk = \~8 g, 100 g paneer = \~18 g protein. Pulses are staples: 1 cup cooked dal \~7-8 g. Nuts and seeds also contribute some protein (and healthy fats). It's beneficial to distribute protein across meals rather than loading one meal[healthline.com](https://www.healthline.com/nutrition/10-reasons-to-eat-more-protein#:~:text=Eating%20more%20protein%20may%20help,portions%20of%20carbohydrates%20and%20fats) -- the body uses it better that way. We often aim for protein to be about 15-20% of total calories (higher in special cases like weight loss or muscle building, up to 25-30%)[healthline.com](https://www.healthline.com/nutrition/10-reasons-to-eat-more-protein#:~:text=responsible%20for%20digestion%20and%20signaling,fullness). A higher protein diet can aid in weight management by preserving muscle and boosting satiety[healthline.com](https://www.healthline.com/nutrition/10-reasons-to-eat-more-protein#:~:text=Protein%E2%80%99s%20satiety%20effects%20are%20partly,fullness%20signals%20in%20your%20body). But balance is key: extremely high protein without adequate carbs can strain kidneys and isn't needed for most non-athletes. In Indian diets, a common gap is protein deficiency (especially in purely veg diets) — many people fill up on carbs. We actively include protein by\ adding dal, curd, milk, nuts, or sprouts at each eating occasion\. For example, instead of plain poha, add peanuts (protein) to it; instead of just veg curry and rice, add some paneer cubes. Also, ensure proteins are high-quality: for example, mixing cereals and pulses to improve amino acid score (rice is low in lysine but dal is high in it, etc.). In fact, ICMR reduced RDA to 0.83 g/kg, assuming a good mix of quality proteins[nin.res.in](https://www.nin.res.in/rdabook/brief_note.pdf#:~:text=%28ICMR,are%201%20g%2Fkg%20per%20day), but if someone's diet is mostly cereal (lower quality protein), they recommend \~1 g/kg[nin.res.in](https://www.nin.res.in/rdabook/brief_note.pdf#:~:text=1g%2Fkg%2Fday%20,are%201%20g%2Fkg%20per%20day)[researchgate.net](https://www.researchgate.net/figure/Recommended-dietary-allowances-RDAs-and-absolute-requirement-AR-of-protein-iron-and_tbl8_364300183#:~:text=,25%25%29.). As an LM, be aware of who might need extra protein: teens (growth spurts), pregnant women, those recovering from surgery, and elders (to prevent muscle loss) — in elders, up to 1.2 g/kg recommended[pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC10101356/#:~:text=other%20than%20exercise%20is%20protein,malnourished%20or%20with%20chronic%20illness34). One should also know that protein helps build immunity (antibodies are proteins), so sufficient protein means fewer illnesses and better healing[pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC10101356/#:~:text=Inadequate%20protein%20intake%20in%20the,with%20associated%20injuries%20and%20fractures). We often do a quick protein check: ensure each family member gets at least 2-3 servings of protein daily (1 serving = cup of dal or 150g yoghurt or 50g paneer or 2 small eggs, etc.) to meet needs.

Fats -- Nutrient absorbers and hormone helpers. Fat has 9 kcal per gram, more than double carbs or protein, so it's the most calorie-dense. But it's vital for absorbing fat-soluble vitamins (A, D, E, K), building cell membranes, and producing hormones. We also need essential fatty acids (like omega-3 and omega-6) from the diet. How much: Generally \~20-30% of calories from fat is a good range[tandfonline.com](https://www.tandfonline.com/doi/abs/10.1080/07315724.2004.10719381#:~:text=,The%20weight%20of). For a 2000 kcal diet, that's \~45-65 g fat/day. In Indian diets, often invisible fats (in nuts, milk, meats) plus cooking oil provide this. The key is the type of fat:

Unsaturated fats (MUFA/PUFA): These are the "good" fats — found in plant oils (mustard, olive, sesame, etc.), nuts, seeds, and fish. They help in heart health (for example, omega-3 PUFAs from flaxseed, walnuts, fish can reduce inflammation and support brain health[observatoireprevention.org](https://observatoireprevention.org/en/2021/03/09/why-do-the-japanese-have-the-highest-life-expectancy-in-the-world/#:~:text=Why%20do%20the%20Japanese%20have,fish%20and%20plant%20foods)). We encourage using oils like mustard or groundnut for Indian cooking, olive/canola for salads, etc., and including...