Plant protein powder has become a popular choice for people looking for a convenient way to increase their daily protein intake. Plant protein powder buying guide can help you make a better choice when comparing different plant-based protein products. Look at protein content, ingredients, nutrition, sourcing and overall product quality. Whether you're following a vegan lifestyle, avoiding dairy, or simply looking for a high-quality alternative to traditional whey protein, plant-based protein can be an easy addition to your routine.
However, choosing the right product isn't always simple. Walk into a supplement store or browse online and you'll find countless products claiming to be clean, natural, high-protein, vegan, premium, or performance-focused.
So, how do you know which one is actually worth choosing?
The answer is simple: look beyond the front of the package.
A good plant protein powder should provide a meaningful amount of protein, use quality plant sources, have a sensible ingredient list, and fit your nutritional and dietary preferences.
Plant Protein Powder Buying Guide: What Should You Look For?
Before buying any protein powder, take a closer look at the nutrition panel and ingredients.
The most important things to consider are the amount of protein per serving, the type of protein used, the serving size, sugar content, additional ingredients, amino acid profile, and whether the product meets your dietary requirements.
For example, Green Choice Proteins uses a blend of pea, faba bean and rice proteins. Its current Vanilla formula provides 34.9g of protein per 50g serving, while the Chocolate formula provides 35.3g per serving.
This is a useful example of why the actual label matters more than marketing claims.
1. Start With the Protein Content
The first thing to check is how much protein you get from one serving.
A product may say "high protein" on the front, but the actual amount could vary significantly between products.
A quality plant protein powder should provide enough protein to make a meaningful contribution to your daily intake.
Green Choice Proteins' Vanilla provides 34.9g of protein per 50g serving, while its Chocolate flavour provides 35.3g.
But remember that protein per serving isn't the only number that matters.
You should also check the serving size.
2. Check Protein Per 100g
Two products can have different serving sizes, which makes direct comparison difficult.
That's where protein per 100g becomes useful.
For example, GCP Vanilla contains 69.8g of protein per 100g, while its Chocolate formula provides 70.6g per 100g.
This allows you to compare protein concentration more fairly.
When comparing two products, look at both:
Protein per serving + Protein per 100g
Together, these numbers give you a much clearer picture.
3. Look at the Protein Sources
Not all plant proteins are the same.
Common sources include pea, rice, faba bean, soy, hemp and pumpkin seed protein.
Each has a different nutritional profile, which is why many plant protein powders combine multiple sources.
GCP uses pea, faba bean and rice protein in its current formulas. The combination is designed to provide a complete amino acid profile.
Instead of simply looking for the words "plant protein," check exactly what plants are providing the protein.
4. Choose a Complete Protein Blend
One of the biggest questions people have about plant protein is whether it can provide all the essential amino acids.
A protein is considered complete when it provides all nine essential amino acids in adequate amounts.
Using a combination of plant protein sources can help create a more balanced amino acid profile.
GCP's pea, faba bean and rice combination is designed to provide all nine essential amino acids, making the protein more comprehensive than relying on a single plant source.
For anyone using protein powder regularly, this is an important factor to consider.
5. Read the Ingredient List
The ingredient list often tells you more than the front of the packaging.
Ingredients are generally listed from highest to lowest quantity. Ideally, the primary ingredient in a protein powder should actually be a protein source.
For example, GCP Vanilla begins with its plant protein blend, followed by ingredients such as cane sugar, natural flavouring, coconut milk powder, linseed and steviol glycosides.
This gives you a much clearer understanding of what you're actually buying.
Don't choose a product simply because it says "clean" or "natural."
Read the ingredients yourself.
6. Look for Simple, Understandable Ingredients
A clean protein powder doesn't necessarily need to contain only two or three ingredients.
What matters is whether the ingredients have a clear purpose.
You may find protein sources, flavouring, cocoa, natural sweeteners, coconut ingredients or seeds such as linseed.
The goal is to avoid unnecessary complexity and understand what you're consuming.
GCP takes a relatively straightforward approach and promotes its products as containing no gums and no fillers.
For consumers looking for a simple everyday protein powder, this can be an important consideration.
7. Check the Sugar Content
Protein powder doesn't need to be loaded with sugar to taste good.
Always check the sugar figure on the nutrition panel.
GCP Chocolate contains 2.2g of sugar per 50g serving, while Vanilla contains 4.8g per serving.
This also shows why you should check the exact flavour rather than assuming every product in the same range has identical nutrition.
If you're watching your sugar intake, compare the flavours carefully.
8. Understand the Sweetener
Different protein powders use different sweetening systems.
You may see ingredients such as cane sugar, stevia, monk fruit or sugar alcohols.
GCP uses cane sugar together with steviol glycosides in its current Vanilla and Chocolate formulations.
The important thing isn't simply whether a sweetener is present.
Instead, consider how much sugar the product contains, what type of sweetener is being used and whether it fits your personal preferences.
9. Don't Ignore the Rest of the Nutrition Panel
Protein is important, but it isn't the only thing you should look at.
Check calories, carbohydrates, sugars, fats, saturated fats and fibre as well.
For example, GCP Chocolate provides 207 calories and 35.3g protein per 50g serving, along with 4.2g carbohydrates, 4.9g fat and 1.8g dietary fibre.
Looking at the complete nutritional profile helps you understand how the protein powder will fit into your overall diet.
10. Look for Added Nutritional Value
Some plant protein powders provide more than just protein.
GCP includes Australian linseed in its formulation, providing 231mg of ALA omega-3 per serving.
Its Chocolate formula also provides dietary fibre.
These additional nutritional features may be useful when comparing products, particularly if two protein powders have similar protein content.
11. Check for Unnecessary Fillers
Fillers and thickeners can be used to change texture, improve consistency or increase volume.
They aren't automatically a sign of a bad product, but if you're specifically looking for a clean-label protein powder, you may prefer a formula without unnecessary fillers.
GCP specifically highlights its no-gums and no-fillers approach.
This makes the ingredient list easier to understand and keeps the focus on the main protein ingredients.
12. Check Your Dietary Requirements
If you're buying plant protein because of a specific dietary requirement, don't assume every plant protein powder is suitable.
Check whether the product is:
- Vegan
- Dairy-free
- Lactose-free
- Gluten-free
- Soy-free
GCP positions its current products as vegan-friendly, gluten-free and lactose-free.
However, always check the current packaging and allergen information, especially if you have a food allergy.
13. Don't Forget Allergen Information
Even when a protein powder doesn't contain a particular allergen as an ingredient, it may be manufactured in a facility that processes other allergens.
GCP's product information states that its products are manufactured in a facility that also processes milk, soy, gluten and egg.
For most consumers, this may simply be useful information.
For someone with a serious allergy, however, the manufacturing information can be extremely important.
14. Consider Where the Ingredients Come From
For many Australian consumers, ingredient sourcing is another important consideration.
There's a difference between a product being made in Australia and a product using Australian-grown ingredients.
GCP places particular emphasis on Australian-grown plant proteins and Australian manufacturing.
Its formulations use Australian-grown pea and faba bean proteins alongside rice protein.
If local sourcing matters to you, look beyond the words "Australian Made" and check where the actual ingredients originate.
15. Think About Taste and Texture
Nutrition isn't everything.
If a protein powder tastes unpleasant or has a gritty texture, you're unlikely to use it consistently.
Plant protein powders have historically been associated with gritty or chalky textures, although modern formulations have improved significantly.
GCP specifically focuses on smooth mixing and reduced grittiness.
Its Vanilla flavour is also designed to be versatile enough for smoothies, overnight oats, coffee, pancakes, waffles and baking.
A protein powder that works across different recipes can make it easier to incorporate protein into your everyday meals.
How Should You Compare Two Plant Protein Powders?
When you're comparing products, don't simply ask which tub is cheaper.
Instead, compare the whole product.
Look at the amount of protein you get, the serving size, protein concentration, ingredients, sugar, sweeteners, calories and protein sources.
For example, one product might cost less but provide only 15–20g of protein per serving, while another may provide around 35g.
The cheaper product isn't necessarily better value.
You need to consider how much usable protein you're actually getting for the money.
What Does a Clean Plant Protein Powder Look Like?
There is no single universal definition of "clean protein."
Generally, consumers use the term to describe products with transparent ingredients, limited unnecessary additives and a straightforward nutritional profile.
A clean-label plant protein might contain a combination of:
Pea protein + Faba bean protein + Rice protein + Natural flavouring + Cocoa or other flavour ingredients + A suitable sweetener
The important thing is transparency.
You should be able to understand what you're buying without having to decode a long list of unnecessary ingredients.
Common Mistakes to Avoid
One of the biggest mistakes is choosing a protein powder based only on the number printed on the front.
Another is comparing products with different serving sizes without checking protein per 100g.
It's also easy to assume that "vegan" automatically means "clean," "low sugar" or "gluten-free."
It doesn't.
Always turn the package around and read the nutrition panel, ingredient list and allergen information.
A Simple Buying Checklist
Before buying a plant protein powder, ask yourself:
How much protein does one serving provide?
How large is the serving?
What is the protein content per 100g?
What are the main protein sources?
Does it provide a complete amino acid profile?
What are the first few ingredients?
How much sugar does it contain?
What sweeteners are used?
Does it contain unnecessary fillers?
Does it fit my dietary requirements?
Will I actually enjoy the flavour and texture?
If the answers make sense for your needs, you've probably found a product worth considering.
Final Thoughts
Choosing a plant protein powder doesn't have to be complicated.
The key is to stop relying solely on marketing claims and start reading the label.
Look at the protein content, protein sources, amino acid profile, ingredients, sugar, calories, sweeteners, allergens and sourcing.
Green Choice Proteins is one example of a plant protein brand built around a pea, faba bean and rice protein blend, with around 35g of protein per serving and an emphasis on Australian-grown ingredients, simple formulation and no gums or fillers.
Ultimately, the best plant protein powder is the one that provides the nutrition you need, uses ingredients you're comfortable with and is convenient enough to become part of your everyday routine.
Choose the protein powder based on what's inside the tub—not just what's written on the front.