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Healthy Food

The Low

Carbohydrate Diet

What is a Low Carbohydrate Diet?

The Low Carbohydrate Diet limits foods high in starches and sugar, while placing a greater emphasis on foods high in fat and protein as the main energy sources. The potential impact on reducing insulin for improved weight loss outcomes and reduced risk for cardiovascular disease has seen the Low Carbohydrate Diet skyrocket in popularity.

This diet limits carbohydrate intake to around 130g per day, which should not be mistaken with a Ketogenic diet that limits carbohydrates to less than 60g per day. A low carbohydrate diet will not place you into a state of ketosis, however, it is an excellent way of eating to manage blood glucose and energy levels.

The low carbohydrate diet may improve the management of blood glucose levels to reduce the risk of type 2 diabetes, protect against hypertension, obesity, elevated cholesterol or triglycerides and Metabolic Syndrome. Those who have genetically impaired carbohydrate metabolism may benefit greatly from a low carbohydrate diet for health improvement and/or weight loss.

Macronutrient Breakdown

Macronutrients are our energy sources derived from food that can be categorised into fat, protein and carbohydrates. Not all macronutrients are created equal, so it is important that you source your macronutrients from healthy foods to best achieve the results that you are after.

Low Carb Diet Macronutrient Ratios.png

Calculating Your Daily Energy Intake & Macros

  • Calculate your daily energy requirements using the calculator link above. Expand the settings on the calculator and select 'kilojoules'.

  • Once you have your 'mild weight loss' or 'weight loss' kilojoule requirements, you'll need to calculate your daily macronutrients in grams.

We will use a daily energy requirement of 7,524kJ as an example:

Macro table.png
Macronutrient
% Daily Energy
Daily Intake (g)
Carbohydrates
1g carbs = 16.7kJ
25%
40%
35%
1,881kJ
= 112g carbs daily
Fats
1g fats = 37.7kJ
Protein
1g protein = 16.7kJ
3,009kJ
= 79g fats daily
2,633kJ
= 157g protein daily

You can track your daily macronutrients by entering your daily diet into the Easy Diet Diary App (linked below)

Image by Thought Catalog

Low Carb Diet Guidelines

  • 1/2 cup (39g) uncooked rolled oats - 21g carbs 175g cooked brown rice - 56g carbs= 27g carbs

  • 2 regular slices wholemeal bread - 25g carbs

  • 1 medium boiled potato

 

REFINED CARBOHYDRATES

  • Avoid refined sugars, natural sugars and carbohydrates which are lower in fibre and many forms are generally made from white flour (which are also very low in nutritional value).

  • Refined carbohydrate sources include: white rice, white bread, pizza bases, pastries, cakes, pies, donuts, biscuits, chocolate, lollies, soft drinks, sweetened beverages and other sweet foods.

 

UNREFINED CARBOHYDRATES

These foods are generally higher in fibre and less processed with more nutrients.

 

  • Unrefined grains include: rolled oats, brown rice, wholemeal bread, quinoa, buckwheat, spelt and wholemeal pasta.

  • Starchy vegetables include white potato with skin (cooked and cooled for lower GI), sweet potato, pumpkin, corn, peas, beetroot and carrot. These vegetables are higher in carbohydrates and need to be limited on a low carbohydrate diet.

  • Fruits are high in fibre and some fruits are lower in sugar (carbohydrates), such as berries, sour cherries, green apples, lemon, lime, plums and grapefruit. Other fruits that are higher in sugar such as grapes, bananas, mangoes, oranges, sweet cherries, pears and kiwifruit may still be consumed in limited quantities (eg. 1 serve daily).

  • Legumes are high fibre, protein rich plant foods with a high starch content that may need to be limited. These include chickpeas, lentils, beans and split peas.

  • Dairy products like milk, cheese, yoghurt, kefir or butter contain carbohydrates (in the form of lactose, a sugar) which may need to be limited. Some low fat dairy products are often higher in sugar and may need to be limited. TIP: look for less than 2.5g of sugar per 100ml, or less than 5g sugar per 100g on a nutrition panel for low sugar food products.

  • Non-starchy vegetables: these foods should provide the main source of carbohydrates in a low carbohydrate diet and include: leafy greens, broccoli, cabbage, brussel sprouts, cauliflower, capsicum, zucchini, eggplant, cucumber, tomato, onion, garlic and mushrooms.

  • Fibre: focus on high fibre foods such as non-starchy vegetables (especially broccoli, cauliflower and brussel sprouts), avocado, nuts, seeds and fibre boosters such as psyllium husk or LSA added to food. Aim for 25-30g fibre daily.

  • Hydration: avoid high sugar drinks (including fruit juice) and include 8 glasses of filtered water per day. Sip on sugar-free herbal teas and low carbohydrate soups to boost fluid intake.

Examples of Serving Sizes

Low Carb Meal & Snack Ideas

LOW CARB BREAKFAST IDEAS

  • Poached eggs with sautéed greens + 1/2 avocado

  • Chia pudding with almond milk, peanut butter, cacao powder, stevia + chopped strawberries

  • Tofu scrambled with chopped tomato, zucchini and spinach + curry powder, served with avocado and low carb toast

  • Grain-free seed granola with coconut yoghurt and berries

Image by Mariana Medvedeva

LOW CARB LUNCH & DINNER IDEAS

  • Pesto zucchini 'zoodles' with chicken

  • Steak with chimichurri and salad

  • Roast lamb with steamed broccolini, pumpkin and cauliflower mash

  • One pan miso salmon roasted with capsicum, zucchini and cauliflower + sesame seeds

Image by Food Photographer | Jennifer Pallian

LOW CARB SNACK IDEAS

Low carb eating is quite satiating. If hungry, enjoy a snack between meals.

  • Boiled egg + handful of almonds

  • Tzatziki with vegetable sticks

  • Apple + almond butter dip

  • Nori wraps with tinned fish + sliced capsicum, carrot, snow peas + cucumber

  • Trail mix with fresh blueberries

  • Berry smoothie with mixed berries, Greek yoghurt, almond butter + milk

  • Steamed + salted edamame

Orange and Coconut

Carbohydrates in food

Limit carbohydrates to 130g per day.

Food (100g)
Carbs (g)
Fibre (g)
Food (100g)
Carbs (g)
Fibre (g)
Kidney beans
9g
7g
Natural yoghurt
4g
0g
Cannellini beans
12g
6g
Cheddar cheese
1g
0g
Black beans
13g
9g
Cow's milk
6g
0g
Lima beans
10g
5g
Dark chocolate
44g
1g
Chickpeas
13g
5g
Peanut
9g
8.2g
Lentils
20g
5g
Almond
6g
7g
Tofu
0g
4g
Pecan
5g
8g
Wholemeal pasta
25g
6g
Pistachio
16g
9g
Wholemeal bread
44g
7g
Pumpkin seeds
4g
11g
Brown rice
31g
2g
Walnuts
3g
6g
Oats (uncooked)
55g
10g
Poppy seeds
4g
11g
Millet
22g
1g
Brazil nuts
2g
9g
Quinoa
16g
2g
Hazelnuts
5g
10g
Buckwheat
14g
2g
Sunflower seeds
4g
11g
Corn
15g
5g
Cashews
23g
6g
Pumpkin
5g
2g
Macadamias
4g
6g
Orange
8g
2.5g
Sweet potato
15g
3g
Mango
13g
2g
White potato (skin on)
13g
2g
Banana
20g
2g
Asparagus (cooked)
2g
3g
Grapes
15g
3g
Carrot
4g
3g
Plum
7g
2g
Beetroot
9g
4g
Grapefruit
5g
2g
Green peas
7g
7g
Lime
1g
4g
Tomato
2g
1g
Lemon
2g
3g
Capsicum (cooked)
4g
2g
Green apple
11g
2g
Zucchini
2g
1g
Cherry (sweet)
13g
2g
Cabbage (raw)
3g
2g
Raspberry
7g
6g
Avocado
0.4g
3g
Blueberry
11g
2g
Brussels sprouts
2g
5g
Strawberry
4g
3g
Spinach (cooked)
1g
5g
Mandarin
8g
1g
Cauliflower
2g
3g
Kiwifruit
9g
4g
Broccoli
1g
3g
Pear
13g
4g
Red apple
13g
2g

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