Decoding Food Labels: A Simple Guide to Making Smarter Choices

Why Reading Food Labels Matters

In today’s world of endless supermarket choices, food labels are one of the most powerful tools we have to make informed nutrition decisions. Yet, many shoppers admit they find labels confusing or misleading.

Learning to read and interpret food labels empowers you to:

1. Choose nutrient-dense foods
2. Avoid hidden sugars, sodium, and unhealthy fats
3. Manage conditions like diabetes, hypertension, and obesity
4. Support sustainable and mindful eating habits

Research shows that individuals who regularly use nutrition labels tend to consume fewer calories, less saturated fat, and more fruits and vegetables.

Step 1: Compare Similar Products

Always compare like with like. For example, compare two brands of yogurt or cereal rather than a yogurt with a muesli bar. This ensures your comparison is nutritionally meaningful.

Tip: Use the “per 100g” column on nutrition panels—it standardises nutrient values across products.

Step 2: Focus on the 100g Column

Serving sizes differ from product to product, so relying on per-serve data can be misleading. The per 100g values are your best tool for accurate comparisons.According to the Australian Government Health Department, comparing products by 100g allows you to quickly see which product contains more or less of a nutrient (e.g., fat, sugar, or sodium) .

Step 3: Read the Ingredients List

Ingredients are listed in order of quantity—from highest to lowest.
To make healthier choices:

• Choose foods that list whole ingredients first (like whole grains, oats, legumes).
  
• Be cautious if sugar, salt, or saturated fat are among the first three ingredients.
  
• Avoid products with long ingredient lists full of additives or numbers you can’t recognise.

Common Hidden Names:

• Sugar: Dextrose, fructose, maltose, corn syrup, fruit juice concentrate.
  
• Salt (Sodium): MSG, sodium bicarbonate, mineral salts.
  
• Saturated Fats: Palm oil, hydrogenated oils, butter, ghee.

A 2021 review in Nutrients found that ingredient literacy—knowing these alternative names—significantly improves dietary quality and lowers consumption of ultra-processed foods.

Step 4: Prioritise Key Nutrients

Look for products high in:

• Dietary Fibre – ≥3g per serving (supports digestion and satiety)
  
• Protein – for muscle repair and overall body function
  
• Micronutrients – vitamin D, calcium, iron, potassium

Limit products high in:

• Saturated fat (>3g per 100g)
  
• Added sugars (>10g per 100g)
  
• Sodium (>400mg per 100g)

These cut-offs are based on Australian Dietary Guidelines and Heart Foundation recommendations. 

Step 5: Understand Portion vs. Serving Size

A serving size is a standard amount determined by the manufacturer (e.g., 30g of cereal), while a portion is the amount you actually eat.

For instance, a chips packet might list one serving as 27g—but most people eat the entire 170g packet. Learning this distinction helps with mindful eating and portion control.Studies show that people often underestimate their portion sizes by 20–40%, leading to unintentional overeating.

Step 6: Watch Out for Misleading Claims

Be cautious of marketing buzzwords:

• “Low fat” products may contain more sugar or salt.
  
• “Sugar-free” may mean the product contains artificial sweeteners.
  
• “Natural” or “Gluten-free” doesn’t automatically mean healthy.

Step 7: Smart Label Reading for Carbohydrate Counting

If you’re managing diabetes or blood sugar, use labels to count carbohydrates effectively.

• 1 serving of carbs = 15g carbohydrate
  
• Examples: 1 small apple, 1 slice wholegrain bread, ½ cup cooked pasta

Example:

Wrap Type	Carbs per Wrap	Carb Servings
Mission Whole Grain Wrap	~30g	2 servings
Simon’s Pantry Low Carb Wrap	~7g	<1 serving

Key Takeaways

• Use per 100g values to compare products.

• Choose items with whole ingredients listed first.

• Prioritise fibre, protein, and essential micronutrients.

• Keep saturated fat, sugar, and sodium low.

• Don’t be misled by “healthy” marketing claims.

Disclaimer:

The information provided in this blog is sourced from research articles and reputable websites. However, as each individual’s body and health needs are unique, it is essential to consult with your doctor, dietitian, or healthcare provider for personalised advice and plans tailored specifically to your condition.

Acknowledgement:

I would like to extend my heartfelt gratitude to our CEO, Purva Gulyani – Accredited Practising Dietitian, for providing me with the opportunity to contribute to this blog. Your valuable feedback, along with your time spent proofreading and editing, has greatly enhanced the quality of this work. Your guidance and support are truly appreciated.

References

1. Christoph MJ et al., “Nutrition Label Use and Its Association with Dietary Intake among Adults: A Review,” Nutrients, 2018. https://doi.org/10.3390/nu10030369
2. Australian Government Department of Health. How to Understand Food Labels, 2023. https://www.health.gov.au/topics/food-labelling
3. Martini D et al., “Food Label Literacy and Its Association with Dietary Quality,” Nutrients, 2021. https://doi.org/10.3390/nu13072254
4. Heart Foundation Australia. Healthy Eating: Understanding Food Labels, 2024. https://www.heartfoundation.org.au
5. Livingstone MB & Pourshahidi LK, “Portion Size and Obesity,” Advances in Nutrition, 2014. https://doi.org/10.3945/an.113.005603