Protein
Protein ek macronutrient hai — yaani body ko isse badi matra mein chahiye. Ye amino acids se bana hota hai, jinhein body khud nahi bana sakti (essential amino acids). Har cell, muscle, hormone, enzyme, aur antibody banane ke liye protein chahiye. Simple bhaasha mein: protein body ka builder, repairer aur security guard teeno hai.
Body mein kya kaam karta hai?
Kami ke symptoms
- Muscles ka sagte rehna (sarcopenia) — body protein stores se muscle tod ke use karti hai kami mein
- Haath-paon kamzor lagana — grip strength kam ho jaati hai, seedhi si chiz uthane mein mushkil
- Baar baar muscle cramps aana — electrolyte transport ke liye protein-based enzymes zaroor hote hain
- Chronic thakaan — haemoglobin kam hone se oxygen supply poor hoti hai, brain ko energy nahi milti
- Concentration mein takleef, bhool jaana — brain ke neurotransmitters (serotonin, dopamine) protein se bante hain
- Mood swings, chidchidahat — tryptophan (protein ka ek amino acid) serotonin banane ke liye zaroori hai
- Baalon ka jhadna (hair fall) — keratin protein ki kami se hair shaft kamzor ho jaata hai
- Nails ka tootna ya peela pad jaana — nails 90% keratin hote hain
- Skin dry, papery ya flaky hona — collagen production ruk jaati hai kami mein
- Chehre pe sojan (puffiness), khaaskar aankhon ke neeche — low albumin ki wajah se fluid tissue mein jam jaata hai
- Baar baar bimaar hona — immunity cells (T-cells, antibodies) protein se bante hain
- Wounds jaldi theek nahi hona — tissue repair ke liye protein chahiye
- Bacchon mein: height nahi badh rahi, weight gain nahi — growth ke liye protein critical hai
- Mahilaon mein: PCOS mein bhi protein kami ka role — hormonal imbalance protein metabolism se juda hai
Kami kyun ho jaati hai?
Blood test normal range
| Category | ✓ Normal | ↓ Low | ↑ High | Unit |
|---|---|---|---|---|
| Adult Male | 6.0–8.0 g/dL | < 6.0 g/dL | > 8.0 g/dL | g/dL |
| Adult Female | 6.0–8.0 g/dL | < 6.0 g/dL | > 8.0 g/dL | g/dL |
| Bacche (1–18 saal) | 5.7–8.0 g/dL | < 5.7 g/dL | > 8.0 g/dL | g/dL |
| 🤰Pregnancy | 6.0–8.5 g/dL | < 6.0 g/dL | Consult doc | g/dL |
| Elderly (60+) | 6.0–7.8 g/dL | < 6.0 g/dL | > 7.8 g/dL | g/dL |
Pregnancy mein body ek naya insan bana rahi hoti hai — placenta, fetal tissues, amniotic fluid, maternal blood volume — sab ke liye protein chahiye. ICMR-NIN 2020: Normal adult requirement + 23g/day extra (yaani 55kg mahila ko: 46g + 23g = ~69g protein per day). Kami se: Fetal growth restriction (baby ka weight kam), preterm birth ka risk, baby ka brain development proper nahi. Agar diet se requirement puri nahi ho rahi (vegetarian/vegan hain ya nausea ki wajah se) to doctor-prescribed protein supplement safe hai.
Bacchon mein protein kami ke signs: Height-weight chart pe pichhe rehna (growth faltering — sabse clear sign), baar baar infection (immunity weak), late developmental milestones (baithna, chalna, bolna), pale skin ya anaemic dikhna. Daily requirement (ICMR-NIN 2020): 1–3 saal: ~16g | 4–6 saal: ~20g | 7–9 saal: ~23–26g | 10–12 saal: ~33–35g. Bachche ke liye friendly foods: Dudh (1 glass = 8g), Dahi (1 katori = 6g), Paneer (100g = 18g), Moong dal khichdi (1 bowl = 10–12g). Sirf tab jab doctor ya registered dietitian recommend kare supplement do — bacchon ke liye marketed protein powders mein often added sugar, artificial flavors aur stimulants hote hain.
Food sources — diet first
Daily requirement — age & gender wise
| Age | 👨 Male | 👩 Female | 🤰 Pregnancy | 🍼 Breastfeeding |
|---|---|---|---|---|
| 0–6 months | 6–8 g/day | 6–8 g/day | — | — |
| 6–12 months | 10–12 g/day | 10–12 g/day | — | — |
| 1–8 saal | 19 g/day | 18 g/day | — | — |
| 9–18 saal | 35 g/day | 32 g/day | — | — |
| Adults (19–50) | 54 g/day (ICMR-NIN 2020) | 46 g/day (ICMR-NIN 2020) | 69 g/day (ICMR-NIN 2020) | 65 g/day (ICMR-NIN 2020) |
| 51–70 saal | 54 g/day | 46 g/day | — | — |
| 70+ saal | 54 g/day | 45 g/day | — | — |
Supplement ke forms — konsa kab
Kaise aur kab lein?
Gym/exercise ke baad 30–60 minutes mein lena — is window mein muscles protein zyada absorb karti hain ("anabolic window"). Agar gym nahi jaate — kisi bhi meal ke saath ya baad mein le sakte hain. Casein specifically raat ko sone se pehle lo.
Drug interactions
| Medicine | Gap | Reason |
|---|---|---|
| Levodopa (Parkinson's medicine) | 2–4 hrs gap | Amino acids levodopa ke absorption ke liye compete karte hain; high protein meal ke 1–2 ghante baad lo. Doctor se zaroor discuss karein |
| Tetracycline Antibiotics (doxycycline etc.) | 2–4 hrs gap | Dairy-based protein (whey/casein) calcium lekar antibiotic absorption reduce karta hai; 2–3 ghante ka gap rakhen |
| Warfarin (blood thinner) | 2–4 hrs gap | High protein intake Vitamin K metabolism change kar sakta hai; consistent protein intake rakhen aur doctor ko inform karein |
| Diabetes medicines (Metformin, insulin) | 2–4 hrs gap | High protein meals blood sugar differently affect kar sakti hain; agar diabetes hai to dietitian se meal planning karein |
| Bisphosphonates (Alendronate — osteoporosis medicine) | 2–4 hrs gap | Calcium-rich dairy protein saath lene se absorption drop ho jaati hai; medicines khali pet leni hoti hain typically |
Zyada lene se kya hota hai?
Upper Limit: ICMR/NIH ke mutabik healthy adults ke liye protein ka UL clearly defined nahi hai jaise vitamins ke liye. Generally: 2.0–2.5g/kg/day se zyada long-term lena problematic ho sakta hai. Kidney patients ke liye to 0.6–0.8g/kg/day tak restrict ki jaati hai (doctor decide karte hain). Side effects: Kidney pe extra load — extra protein nitrogenous waste produce karta hai jise kidneys excrete karti hain; already weak kidneys ke liye dangerous, Kidney stones ka risk — high animal protein uric acid aur calcium excretion badhata hai, Dehydration — protein metabolism mein zyada paani use hota hai; intake ke saath paani bhi badhao, Constipation ya diarrhea — suddenly bahut zyada protein se gut bacteria disturb hoti hai, Weight gain — zyada protein = zyada calories, jo fat ke roop mein store ho sakti hai Kab serious: Pehle se kidney disease ho to high protein seedha damage kar sakta hai. Liver disease mein protein metabolism impaired hoti hai — excess se ammonia buildup ho sakta hai. Gout ke patients mein high animal protein uric acid badhata hai. "Doctor ki salah ke bina high dose protein supplement kabhi mat lo."