What Defines a Dietary Supplement?
A dietary supplement, as defined in the United States, is a product intended for ingestion that contains a 'dietary ingredient' meant to supplement the diet. These ingredients can include vitamins, minerals, herbs, amino acids, and other substances. Supplements come in many forms, such as capsules, tablets, powders, and liquids. Unlike pharmaceuticals, they are not intended to treat, diagnose, cure, or prevent disease. AG1's manufacturer, Athletic Greens, explicitly labels the product as a 'research-backed daily health supplement,' which combines a multivitamin, probiotic, and superfood blend into one serving. The product is also certified by NSF International, an independent third-party organization that tests for banned substances and contaminants, confirming its status as a supplement.
The Ingredients That Make AG1 a Supplement
AG1 contains a dense mix of over 75 ingredients, categorized into several proprietary blends. This ingredient profile is what distinguishes it as a comprehensive 'foundational nutrition' supplement rather than a simple greens powder.
Key Ingredient Categories:
- Vitamins and Minerals: AG1 includes high doses of several vitamins, including a full B-complex, vitamin C, and vitamin E. For example, a single serving delivers 467% of the Daily Value for vitamin C and 917% for vitamin B12. It is important to note that it lacks significant amounts of vitamin D and iron, requiring other supplementation if these are needed.
- Proprietary Blends: Much of AG1's formula is organized into proprietary blends, such as the 'Alkaline, Nutrient-Dense Raw Superfood Complex' and 'Nutrient Dense Extracts, Herbs & Antioxidants'. This practice is common in the supplement industry to protect formulas but means the exact amount of each individual ingredient is not disclosed.
- Probiotics: The product contains dairy-free probiotics, with AG1 Next Gen featuring 10 billion CFU from five different strains. These are included to support gut health and digestion.
- Adaptogens and Extracts: The formula includes adaptogens like rhodiola and ashwagandha, which are herbs purported to help the body manage stress. Other extracts like spirulina and reishi mushrooms are also included.
AG1 vs. Multivitamins vs. Whole Foods: A Comparison
To understand AG1's place in the market, it is helpful to compare it to a standard multivitamin and whole, unprocessed foods. While it contains a vitamin and mineral profile similar to a multivitamin, its broader scope of ingredients sets it apart.
| Feature | AG1 (Greens Powder) | Standard Multivitamin (Tablet) | Whole Foods (Fruits & Vegetables) | 
|---|---|---|---|
| Format | Powder mixed with water | Tablet, capsule, or gummy | Unprocessed food item | 
| Ingredient Profile | 75+ ingredients: vitamins, minerals, probiotics, adaptogens, greens, enzymes | Primarily vitamins and minerals | A complete range of nutrients, fibers, and antioxidants | 
| Ingredient Amounts | Many proprietary blends with undisclosed amounts of specific components | Clearly labeled dosages for each vitamin and mineral | Naturally occurring nutrients, highly variable by food type | 
| Fiber Content | Moderate (2g per serving) | Minimal to none | High fiber content, essential for digestion | 
| Bioavailability | Powder form offers high bioaccessibility and bioavailability for minerals compared to tablets, according to company-funded studies | Can have variable absorption depending on formulation | Optimal for nutrient absorption through natural food matrices | 
| Health Context | Intended to supplement a healthy diet, not replace whole foods | Fills specific nutritional gaps when diet is lacking | Foundational basis for all nutritional needs | 
The Debate Over Health Claims
AG1 makes several health claims, including support for energy, gut health, and immunity. Some of these are supported by company-funded studies, which are published in peer-reviewed journals. For instance, a 2024 study showed AG1 enriched beneficial gut bacteria and improved digestive comfort over four weeks. However, independent clinical research directly on the complete AG1 formulation is limited, leading some experts to question the extent of its purported benefits beyond anecdotal evidence.
Furthermore, the use of proprietary blends makes it difficult to verify if individual ingredients are included at clinically effective doses. While the presence of probiotics and prebiotics suggests benefits for gut health, the effects can vary significantly between individuals and strains. As with any supplement, AG1 is not a magic bullet and cannot compensate for an unhealthy diet or lifestyle.
Potential Side Effects and Safety Considerations
For most healthy adults, AG1 is generally considered safe. However, due to its high concentration of various ingredients, potential side effects and safety considerations exist. Common side effects reported by some users include gastrointestinal issues like bloating, gas, and stomach upset, which can be linked to the high probiotic and prebiotic content.
Certain populations should avoid or be cautious with AG1:
- Pregnant or Breastfeeding Women: Many ingredients lack safety research for these groups.
- Children: The supplement is intended only for adults due to high doses of certain vitamins and other ingredients.
- Individuals with Certain Conditions: People with autoimmune diseases like lupus may be advised against alfalfa, an ingredient in AG1. Those with end-stage kidney disease should be cautious due to potassium and phosphorus levels.
- Medication Interactions: AG1 can interact with various medications, including blood thinners, immunosuppressants, and certain diabetes medications.
Consulting a healthcare professional is always recommended before starting a new supplement routine, especially for those with pre-existing health conditions or who are taking prescription medication.
Conclusion: AG1 is a Supplement, Not a Stand-in
In conclusion, based on its labeling, ingredient profile, and market classification, AG1 is definitively a dietary supplement. It is a greens powder that offers a wide array of vitamins, minerals, and other compounds intended to supplement nutritional intake, not replace whole foods. While it provides a convenient way to fill potential nutrient gaps and offers targeted support for areas like gut health, it comes with a high price tag and relies heavily on proprietary blends with unknown concentrations. Users should view AG1 as an addition to a balanced, healthy diet and not as a substitute for eating whole fruits and vegetables. For individuals with specific health needs or conditions, a conversation with a doctor or registered dietitian is essential to ensure it is a safe and beneficial addition to their routine. You can also research more about supplement safety and testing standards on the NSF International website.