Nutrition Advisor

Universal Nutritional Standards

Macronutrient Distribution (Acceptable Ranges)

AMDR = Acceptable Macronutrient Distribution Range (Institute of Medicine)

Key Micronutrient Targets (Adult)

Values vary by region (US FDA, EU EFSA, WHO). Older adults often need more Vitamin D and Calcium.

Dietary Patterns for Health

Health Condition-Specific Nutrition

Diabetes Nutrition

Carbohydrate Management:

• Consistent carbohydrate intake (45-60g per meal)
• Focus on low glycemic index foods
• Monitor portion sizes
• Count total carbohydrates

Sample Meal Distribution:

Hypertension (DASH Diet)

Daily Targets:

• Sodium: <1500-2300mg
• Potassium: 3500-5000mg
• Magnesium: 500mg
• Calcium: 1200mg

DASH Food Groups:

Weight Management

Sustainable Calorie Deficit:

• 500 kcal/day deficit = ~0.5 kg (1 lb) loss/week
• Minimum: 1200 kcal (women), 1500 kcal (men)
• Protein: 1.2-1.6 g/kg for satiety and muscle preservation

Satiety Strategies:

1. High protein at each meal
2. Fiber >30g/day
3. Volume eating (vegetables, soups)
4. Mindful eating practices

Nutritional Assessment Scoring

Nutrient Density Score (0-10)

Score = Σ(Nutrient_i / RDA_i × Weight_i)

Weights:
- Vitamins: 30%
- Minerals: 30%
- Fiber: 20%
- Protein quality: 10%
- Healthy fats: 10%

Healthy Eating Index (HEI-2015)

Maximum score: 100

Data Structure

nutrition-diary.json

{
  "date": "2026-03-20",
  "entries": [
    {
      "meal": "breakfast",
      "time": "07:30",
      "foods": [
        {"name": "oatmeal", "amount": "1 cup cooked", "calories": 150},
        {"name": "banana", "amount": "1 medium", "calories": 105},
        {"name": "almond butter", "amount": "1 tbsp", "calories": 95}
      ],
      "meal_totals": {
        "calories": 350,
        "protein_g": 10,
        "carbs_g": 52,
        "fiber_g": 8,
        "fat_g": 12,
        "sugar_g": 15
      }
    }
  ],
  "daily_summary": {
    "calories": 2100,
    "protein_g": 95,
    "carbs_g": 235,
    "fat_g": 75,
    "fiber_g": 32,
    "sodium_mg": 1850,
    "micronutrients": {
      "vitamin_d_mcg": 8,
      "calcium_mg": 950,
      "iron_mg": 12,
      "potassium_mg": 3200
    }
  }
}

Output Report Format

# Nutrition Analysis Report — March 20, 2026

## 📊 Daily Intake Summary

### Macronutrients
| Nutrient | Your Intake | Target | % Target | Status |
|----------|-------------|--------|----------|--------|
| Calories | 2,100 | 2,000 | 105% | ✅ Appropriate |
| Protein | 95g | 80g | 119% | ✅ Excellent |
| Carbohydrates | 235g | 250g | 94% | ✅ Good |
| Fiber | 32g | 30g | 107% | ✅ Excellent |
| Total Fat | 75g | 65g | 115% | ⚠️ Slightly high |
| Saturated Fat | 18g | <20g | 90% | ✅ Good |

### Macronutrient Distribution

Protein (18%) ████████████ Carbs (45%) ███████████████████████████ Fat (32%) ████████████████████ Alcohol (0%)
Other (5%) ███

---

## 🥗 Micronutrient Status

### Priority Nutrients
| Nutrient | Intake | RDA | % RDA | Status |
|----------|--------|-----|-------|--------|
| Vitamin D | 8 mcg | 15 mcg | 53% | ❌ Low |
| Calcium | 950 mg | 1000 mg | 95% | ⚠️ Near target |
| Iron | 12 mg | 8 mg | 150% | ✅ Good |
| Potassium | 3,200 mg | 3400 mg | 94% | ⚠️ Near target |
| Magnesium | 380 mg | 400 mg | 95% | ⚠️ Near target |
| Vitamin B12 | 3.2 mcg | 2.4 mcg | 133% | ✅ Good |
| Zinc | 11 mg | 11 mg | 100% | ✅ Good |
| Vitamin C | 85 mg | 90 mg | 94% | ⚠️ Near target |

### Nutrients of Concern
🔴 **Vitamin D**: 53% of RDA
- Impact: Bone health, immune function
- Sources: Fatty fish, fortified milk, sunlight
- Recommendation: Consider supplementation (consult doctor)

🟡 **Potassium**: 94% of RDA
- Good for: Blood pressure control
- Add more: Bananas, sweet potatoes, spinach

---

## 🍽️ Dietary Pattern Analysis

### Your Eating Pattern: DASH-Aligned (Score: 78/100)

**Strengths**:
✅ High vegetable intake (5 servings/day)
✅ Good whole grain consumption
✅ Adequate lean protein
✅ Low sodium (1850mg vs 2300mg limit)

**Areas for Improvement**:
⚠️ Fruit intake (2.5 servings vs 4-5 target)
⚠️ Seafood consumption (once/week vs 2x target)
⚠️ Added sugars (12% vs <10% target)

### Meal Distribution
| Meal | Calories | % Total | Assessment |
|------|----------|---------|------------|
| Breakfast | 420 | 20% | ✅ Good |
| Lunch | 650 | 31% | ✅ Good |
| Dinner | 730 | 35% | ⚠️ Slightly large |
| Snacks | 300 | 14% | ✅ Appropriate |

---

## 🎯 Health Goal Alignment

### Current Goal: Weight Loss (0.5 kg/week)

**Calorie Analysis**:
- Target for weight loss: 1,700 kcal/day
- Your intake: 2,100 kcal/day
- Difference: +400 kcal/day

**Adjustment Needed**: 
Reduce by ~300-400 kcal/day to achieve 0.5 kg/week loss
Suggested reduction: Dinner portion size, limit snacks

### For Your Diabetes (if applicable)

**Carbohydrate Distribution**:
| Meal | Carbs | Target | Status |
|------|-------|--------|--------|
| Breakfast | 52g | 45g | ⚠️ Slightly high |
| Lunch | 68g | 60g | ⚠️ Slightly high |
| Dinner | 85g | 60g | 🔴 High |
| Snacks | 30g | 15g | ⚠️ High |

**Recommendations**:
- Reduce dinner carbs to 60g (1 cup rice instead of 1.5 cups)
- Choose lower-carb snacks (nuts instead of crackers)
- Spread carbs more evenly

---

## 💡 Personalized Recommendations

### Priority 1: Increase Vitamin D
**Current**: 8 mcg | **Target**: 15 mcg
**Actions**:
- [ ] Add fatty fish 2x/week (salmon, mackerel)
- [ ] Choose vitamin D-fortified milk/cereal
- [ ] 10-15 minutes midday sun exposure (safely)
- [ ] Discuss 1000 IU supplement with doctor

### Priority 2: Optimize Dinner
**Current**: 730 kcal, 85g carbs
**Target**: 550 kcal, 60g carbs
**Actions**:
- [ ] Reduce rice/pasta portion by 1/3
- [ ] Add extra vegetables
- [ ] Choose lean protein (fish, chicken breast)
- [ ] Limit added fats

### Priority 3: Increase Fruits
**Current**: 2.5 servings
**Target**: 4-5 servings
**Actions**:
- [ ] Add berries to breakfast
- [ ] Fruit as afternoon snack
- [ ] Include fruit with lunch

---

## 📋 Sample Day Optimized for Your Goals

### Breakfast (400 kcal, 45g carbs)
- Oatmeal (1/2 cup dry) with berries
- 1 egg
- Coffee with milk

### Lunch (600 kcal, 55g carbs)
- Grilled chicken salad
- Whole grain roll
- Apple
- Water

### Dinner (550 kcal, 60g carbs)
- Baked salmon (4 oz)
- 1 cup brown rice
- Steamed broccoli
- Side salad with olive oil

### Snacks (150 kcal, 15g carbs)
- Greek yogurt (afternoon)
- Small handful almonds (if needed)

**Totals**: ~1700 kcal, balanced macros, diabetes-friendly

---

## 🌍 Cultural & Regional Adaptations

Based on your location ([Region]) and preferences:

**Local Foods Available**:
- Seasonal vegetables: [list]
- Local proteins: [list]
- Whole grains: [list]

**Cultural Considerations**:
- Respect religious dietary laws
- Adapt recipes to local cuisine
- Use familiar ingredients

---

## 📊 Progress Tracking

### Weekly Goals
- [ ] Log 7 days of food intake
- [ ] Achieve Vitamin D >80% RDA
- [ ] Reduce dinner carbs to 60g
- [ ] Add 2 fruit servings daily

### Monthly Targets
- [ ] Average calories 1700-1800/day
- [ ] Fiber consistently >30g
- [ ] Sodium <2000mg
- [ ] HEI score >80

---

## ⚠️ Safety Notes

### Allergies & Intolerances
- No allergens detected in your profile
- If you have unlisted allergies, update your profile

### Medication-Food Interactions
⚠️ **Warfarin users**: Maintain consistent Vitamin K intake
⚠️ **MAOIs**: Avoid tyramine-rich foods
⚠️ **Levothyroxine**: Take on empty stomach, separate from calcium/iron

### Special Populations
- **Pregnancy**: Increased needs for folate, iron, DHA
- **Elderly**: Higher protein needs, B12 absorption concerns
- **Athletes**: Higher calorie and protein requirements

---

## 🔗 Cross-References

| Skill | Relationship |
|-------|--------------|
| musculoskeletal-care | Calcium and Vitamin D intake for bone health, anti-inflammatory diet for arthritis |
| chronic-care | DASH diet, diabetic diet, renal nutrition |
| weight-manager | Caloric balance tracking |
| fitness-coach | Pre/post workout nutrition |
| mental-health | Omega-3, Vitamin D, Mediterranean diet |

---

**Disclaimer**: This nutrition analysis is based on your food logs and general nutritional guidelines. Individual needs vary. Consult a registered dietitian for personalized medical nutrition therapy, especially if you have chronic conditions.

**Next Review**: 7 days