AG1 vs Free Soul Greens: Two Greens Powders Compared

When it comes to buying a greens powder, choosing the right one can be tricky. To help you make an informed decision, we’ve compared two options – AG1 and Free Soul Greens – side-by-side to see which greens powder is best.

Written by Jan Rein
7 MIN READ — 04/07/2026

Modern life is fast-paced, and making healthy lifestyle choices, such as incorporating daily greens, can be challenging. Greens powders offer a convenient way to help meet nutritional needs and support everyday wellness, especially for those with busy schedules or limited time to prepare a wide variety of foods.

Two popular options are AG1 and Free Soul Greens. While both aim to support daily nutrition, their formulations, philosophies, and intended audiences differ. AG1 is formulated as a comprehensive daily supplement suitable for everyone. Meanwhile, Free Soul Greens offers a simpler blend of greens and botanicals, marketed primarily towards women and focused on approachable nutritional support.1

This comparison explores how AG1 and Free Soul Greens differ, including formulation, nutritional depth, testing, taste, and price, helping you decide which daily greens powder best supports your health and well-being goals.

AG1 vs Free Soul Greens: At a Glance

AG1 and Free Soul Greens both aim to complement a balanced routine, but their approaches vary significantly.

AG1 delivers a research-backed high fibre formulation spanning vitamins, minerals, bacterial cultures, antioxidants, and more. Free Soul Greens contains a smaller number of greens and botanicals and is positioned as a lower-priced, entry-level product.

Below, we compare the key features of both products to help you choose the right option for your goals.

Feature Comparison

Feature

AG1

Free Soul Greens

Key nutrients

Vitamins, minerals, bacterial cultures, antioxidants, and fibre

Greens, botanicals, fruit powders, plant extracts

Number of ingredients

70+

21

Protein per serving

2.6g

0.7g

Fibre per serving

2.5g

1g

Bacterial cultures

10 billion CFU (5 clinically studied strains)

None

Testing & certification

Independently tested; certified by Cologne List® and Informed Sport

Third-party tested; no global certification listings

Focus

Comprehensive daily nutritional support suitable for everyone

Entry-level greens powder marketed primarily towards women

Price per serving

~£2.63 (monthly subscription)

£1.00 (or £23.99 monthly subscription)

Subscription options

Monthly plan with Welcome Kit and Travel Packs

One-time purchase (£29.99) or monthly subscription (£23.99)

Flavours

Light tropical flavour

Mango, Peach, Original

Texture

Smooth

Slightly gritty

Best for

People looking for a comprehensive, science-led daily supplement

Those wanting a budget-friendly, convenient greens powder

*Taste profiles are based on customer reviews, and individual experiences are subject to personal preferences.

AG1 vs Free Soul Greens: Two Approaches to Daily Nutrition

AG1: Comprehensive Daily Nutritional Support

AG1 simplifies daily nutrition by combining over 70+ vitamins, minerals, and whole-food ingredients into a single daily scoop. Its formulation supports normal energy-yielding metabolism2 and the normal function of the immune system, and contributes to the normal function of digestive enzymes, designed to complement a balanced diet.

AG1 carefully selects ingredients for bioavailability and synergy (a production step not openly referenced by Free Soul Greens), as clinical research shows that key vitamins and minerals in AG1 are bioavailable in the body.a-d

This depth of formulation makes AG1 more than a typical greens powder; it's an integrated daily supplement designed to streamline your routine. To make AG1 what it is today, its formula has continually been updated.

Explore the ingredient profile in full: AG1 ingredients.

Free Soul Greens: A Simplified, Convenience-Led Formula

Free Soul Greens blends 21 greens, botanicals, and fruit powders, including spinach, spirulina, chlorella, wheatgrass, kale, ashwagandha KSM-66, and Actazin and Livaux kiwifruit extracts.

In Europe, rules around ashwagandha vary, with some countries applying stricter requirements than others. As a result, AG1 has removed it to maintain a consistent formula across the region.

Marketed as a “daily shortcut,” the formula emphasises convenience over complexity, helping increase intake of plant-based nutrients without extensive meal prep.

According to its website, Free Soul Greens is ‘formulated to meet women's needs’,2 but there is little evidence to support this. Additionally, it delivers vitamins and minerals (such as vitamin C, iron, and zinc) but does not include bacterial cultures found in AG1.

Ingredient Quality and Formulation Depth

One of the biggest differences between AG1 and Free Soul Greens is formulation philosophy. While both contain plant-based ingredients, their functional scope is very different.

AG1: Multi-Category Nutritional Support

AG1 includes ingredients from several key categories

  • Vitamins & minerals for foundational coverage
  • Wholefood-sourced nutrients for diversity
  • Antioxidants,3 including vitamin C, vitamin E, and plant compounds
  • Fibre, digestive enzymes, and 10 billion CFU of bacterial cultures
  • Digestive support enzymes
  • Fibre, protein, and phytonutrient blends

This makes AG1 a broad-spectrum, comprehensive formula designed to support multiple areas of health with one scoop.

Free Soul Greens

Free Soul Greens combines greens powders (spinach, kale, spirulina, chlorella), fruit powders (apple, pineapple, lucuma), and botanicals (ashwagandha, maca, fennel seed extract). Its inclusion of Actazin® and Livaux® kiwifruit extracts adds targeted digestive support, but the formula remains ingredient-light compared to AG1.1

Nutritional comparison per serving:

  • Protein: AG1 2.6g vs Free Soul 0.7g
  • Fibre: AG1 2.5g vs Free Soul 1g
  • Bacterial cultures: AG1 10 billion CFU vs Free Soul 0

Protein and fibre support satiety, digestive health, and overall nutritional balance, and this difference compounds over time. Over the course of a month, AG1 delivers significantly more of both.

Free Soul Greens provides vitamin C (217% NRV) and minerals such as iron, zinc, and potassium. However, its formulation is narrower in scope compared with AG1.1

Bacterial Cultures, Digestion & Bioavailability

AG1: Clinically Studied Bacterial Cultures & Demonstrated Nutrient Absorption

AG1 contains 5 clinically studied strains totalling 10 billion CFU per serving, including:

  • Lactobacillus rhamnosus GG (3 billion CFU per serving)
  • Lactobacillus acidophilus NCFM (2 billion CFU per serving)
  • Bifidobacterium lactis HN019 (2 billion CFU per serving)
  • Lactobacillus casei LC-11 (2 billion CFU per serving)
  • Lactobacillus plantarum LP-115 (1 billion CFU per serving)

These strains are included at effective doses and, in three clinical trials, AG1 increased friendly bacteria in the gut on average by over 10x. a-c

In a clinical trial, key nutrients in AG1, including vitamin C, zinc, thiamine, riboflavin, niacin, folate, and biotin, were shown to be bioavailable in the body.a

For more information on AG1’s formula, see What is AG1?

Free Soul Greens: Digestive Support Without Bacterial Cultures

Free Soul Greens includes Actazin and Livaux, which provide prebiotic support; however, the formula does not contain bacterial cultures or digestive enzymes, and the fibre content is unlikely to meaningfully influence the gut microbiome or digestive health.

As a result, Free Soul functions as a basic greens powder rather than being formulated to support nutrient bioavailability.

Certifications, Transparency & Testing

AG1: Cologne List and Informed Choice Certified

Every batch of AG1 undergoes independent testing for purity, ingredient accuracy, and the presence of banned substances. Certification by the Cologne List® and Informed Sport reflects one of the highest recognised global testing standards.

This level of transparency ensures that AG1’s consumer-first approach is not just talk, but a fact that offers complete peace of mind.

Free Soul Greens: Independently Tested, No Global Certifications

Free Soul confirms that all products are:

  • Studied in human-controlled trials
  • Independently tested for effective and safe consumption

However, Free Soul Greens is not listed on international certification platforms such as the Cologne List® or Informed Sport, and its third-party testing data is not publicly displayed.

Both brands take safety seriously, but AG1’s verification level is more comprehensive and externally validated.

Price and Value: AG1 vs Free Soul Greens Compared

Price is an important factor, but value includes what each serving delivers in terms of nutritional impact, formulation depth, and routine simplification.

Free Soul Greens: Budget-Friendly Daily Support

  • £29.99 for a 150g pouch (30 servings)
  • £23.99 per month on subscription (£0.80 per serving)
  • Provides a simplified greens and botanical blend 1

This positions Free Soul as one of the lower-priced greens powders available – reflecting what’s in the product and what isn’t.

AG1: Premium, All-in-One Daily Nutritional Support

  • £79 per month subscription (30 servings)
  • Includes greens, bacterial cultures, digestive enzymes, antioxidants, vitamins, minerals, enzymes, fibre, and protein
  • Replaces multiple standalone supplements, streamlining your routine

For many, AG1’s value lies in its breadth of support. Instead of juggling several products (a greens powder, bacterial cultures and a multivitamin), AG1 brings them together in one scoop.

Explore more about the trust cost of the daily greens in our guide: Is AG1 Worth the Cost per Serving?

Taste and Texture

AG1: Smooth & Mildly Tropical

AG1 blends effortlessly with cold water and has a smooth consistency, free from grit. Its light tropical flavour includes notes of pineapple and vanilla for a balanced, refreshing taste suitable for everyday use.

Free Soul Greens: Fruit-Led Flavours

Available in Mango, Peach, and Original, Free Soul Greens has a fruit-flavoured profile.

Because the blend uses wholefood powders, some users experience a slightly gritty texture.3

In Summary: AG1 vs Free Soul Greens

Choosing between AG1 and Free Soul Greens depends on your goals, routine, and the level of nutritional support you want.

Free Soul Greens can be a convenient greens powder that helps increase daily intake of plant nutrients, and its simple formulation can make it a useful entry-level option.

However, AG1 offers a far more comprehensive solution, delivering:

  • A wider range of ingredients across multiple functional categories
  • Clinically studied bacterial cultures
  • Higher protein and fibre
  • Verified bioavailable nutrient forms
  • Global testing certifications
  • One-scoop convenience that replaces the need for multiple supplements

If your goal is broad-spectrum support for daily nutrition, energy, immunity, and digestion, AG1 delivers significantly more depth and value per serving.

Discover our AG1 vs Huel Daily Greens comparison to see how we compare to other greens powders.

Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle. Do not exceed the indicated daily intake. Keep out of reach of children. Please inform and consult your doctor before consuming this product. Not suitable for children and adolescents under 18 years, pregnant or breastfeeding women. Refrain from taking other food supplements containing zinc. Persons taking anticoagulant medication should seek medical advice before consuming vitamin K-containing supplements.