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The Ultimate Guide to Choosing a Protein Powder

Protein powders are no longer exclusive to bodybuilders or elite athletes, they have become popular among various lifestyle. In fact, at times, I feel we can be inundated with them. It's no wonder it's a multi billion dollar industry and only on the increase. However, with so many options available, choosing the right protein powder can be overwhelming. I often hear this from clients. I hope this guide will help you navigate the choices and find the best protein powder for your needs.

Do You Need a Protein Powder?

Firstly, do you even need a protein powder? We know the importance of protein in our diet, especially for those who are active. But I want to begin by caveating that protein powders are not necessarily needed and are not essential. The recommended nutrient intake (RNI) for protein is 0.75g per kg of body weight. Most people can meet their protein needs through a balanced diet. However, for those who are active, protein requirements increase to between 1.2 to 2g/kg body weight, depending on the type of activity and individual goals like weight loss or muscle building and also other factors such as gender, age, weight etc.

Protein powders may be useful for:

  • Individuals with high protein requirements due to physical activity or certain illnesses.

  • Vegans or vegetarians.

  • People with restrictive diets.

  • Those with busy lifestyles or who travel frequently.

Types of Protein Powders

Protein powders vary in source and type. Here are the main categories:

Animal-Based Protein Powders

  • Whey Protein: The most common and fast-digesting protein, rich in essential amino acids, ideal for post-workout or adding to meals.

  • Casein Protein: Slower to digest, making it suitable for sustained protein release, such as overnight or during fasting periods.

  • Collagen Protein: Derived from animal or fish tissues, popular for its benefits to skin, hair, and joint health.

  • Egg White Protein: A good option for those with dairy allergies, offering a concentrated source of protein without fat or carbohydrates.

Plant-Based Protein Powders

  • Soy Protein

  • Pea Protein: Often derived from yellow split peas, naturally richer in leucine, and shown to be effective for muscle gain.

  • Hemp Protein: Typically combined with other plant proteins due to its lower leucine content.

Quality of Protein

The quality of protein in a powder is determined by its amino acid profile and bioavailability.

Essential Amino Acids and Leucine- Proteins are made up of amino acids, with nine being essential as the body cannot produce them. Leucine is particularly important for muscle building, known as the ‘anabolic trigger.’ Animal proteins generally contain all essential amino acids, while plant proteins may require combining different sources.

Bioavailability Bioavailability refers to how well a protein is absorbed and utilised by the body. Animal proteins like whey are typically more bioavailable than plant proteins. However, plant-based protein powders are often more concentrated, making them easier to digest and absorb.

What to Consider When Buying a Protein Powder


  • Check for added sweeteners, flavours, and other supplements like BCAAs, creatine, or probiotics. Some people may have sensitivities to artificial sweeteners or added prebiotics. Purpose and Goals

  • Choose a protein powder that aligns with your goals. For muscle building, look for high leucine content. For weight loss, opt for a high protein-to-calorie ratio. If using post-workout, consider a powder with some carbohydrates for better recovery. Taste and Mixability

  • Flavour and texture matter. Plant-based proteins can be grainier, while whey tends to mix more smoothly. I recommend trying a sample sachet purchasing investing! Certifications

  • Look for third-party testing certifications like the “Informed Sports” label to ensure the product is safe and free from contaminants and batch tested. You can access the website here.


While protein powders are not essential for everyone, they can be a beneficial supplement to help meet protein intake needs, especially for active individuals or those with busy lifestyles. Remember, protein powders should supplement a balanced diet, not replace whole foods. By understanding your needs and considering the quality, purpose, and ingredients of the protein powder, you can make an informed choice that supports your health and fitness goals.


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