AG1 is a powdered dietary supplement that combines 75 vitamins, minerals, and whole-food-sourced ingredients into a single daily scoop mixed with water. Marketed as “comprehensive daily nutrition,” it’s designed to replace a cabinet full of individual supplements with one green-tasting drink. The product, originally called Athletic Greens, has become one of the most recognizable supplements on the market, largely through podcast sponsorships and influencer marketing.
What’s Actually in It
Each serving blends ingredients across several categories: vitamins and minerals, plant extracts, probiotics, digestive enzymes, and adaptogens (compounds thought to help the body manage stress). The ingredient list includes everything from spirulina and wheatgrass to vitamin C, zinc, and B12. Some ingredients come from whole-food sources. The vitamin E, for instance, is derived from crushed sunflower seeds grown in Argentina, and the citrus bioflavonoids are extracted from fruit peel. Others are standard supplemental forms of vitamins and minerals you’d find in any multivitamin.
The probiotics in AG1 are non-dairy and produced through fermentation rather than from animal or soil sources. Because the formula contains live probiotics and whole-food ingredients, the pouch needs to be refrigerated after opening to keep those organisms alive and potent.
Health Claims the Company Makes
AG1’s marketing casts an extraordinarily wide net. According to structure/function claims the company filed with the FDA, the product is positioned as supporting gut health, digestion, energy, immune function, mental clarity, focus, mood balance, stress management, cardiovascular health, healthy aging, liver function, hormone function, brain and neural function, skin and hair quality, bloating relief, and blood sugar levels already within normal range. That’s a lot of promises from one scoop of powder.
It’s worth understanding what these claims mean legally. Structure/function claims on supplements don’t require FDA approval before they’re used. The company is responsible for ensuring the claims are truthful, but the FDA doesn’t verify them the way it does for pharmaceutical drugs. The asterisks you see on the packaging point to the standard disclaimer: “These statements have not been evaluated by the Food and Drug Administration.”
What the Research Shows
Independent clinical research on AG1 specifically is limited. The most notable study, a randomized, double-blind, placebo-controlled trial published in 2024, looked at the effects of AG1 on gut health in healthy adults over four weeks. The results were modest. AG1 didn’t negatively affect digestive quality of life, bowel frequency, or stool consistency compared to placebo. There was a trend toward improved digestive symptom scores in the AG1 group (a 62.5% improvement versus a 50% decline in the placebo group), but this result didn’t reach statistical significance.
The study did find that AG1 supplementation increased levels of two probiotic species, Lactobacillus acidophilus and Bifidobacterium bifidum, in participants’ guts. These likely came directly from the probiotics already present in the formula rather than from the product stimulating new bacterial growth. Two functional pathways in the gut microbiome were enriched, while none were diminished. The researchers concluded AG1 can be safely consumed by healthy adults, with a “potential” beneficial impact on digestive comfort. That’s a cautious conclusion, and it doesn’t validate the dozens of other health claims the company makes.
Dietary Compatibility and Allergens
AG1 is free of dairy, gluten, lactose, eggs, peanuts, and animal byproducts, making it compatible with vegan, vegetarian, paleo, and keto diets. The product is tested for key allergens identified by the FDA, including gluten (verified below 20 parts per million), milk, egg, and peanut. All ingredients are non-GMO, and the company tests for over 500 pesticides and herbicides, including glyphosate.
Third-Party Testing
One thing that sets AG1 apart from many supplements is its NSF Certified for Sport designation. This certification means the product is tested by an independent lab to confirm what’s on the label is actually in the product, and that it’s free from substances banned in competitive athletics. It’s one of the more rigorous third-party certifications available for supplements, and it’s the reason some professional athletes use the product with confidence that it won’t trigger a failed drug test.
Potential Interactions to Know About
Because AG1 contains a dense blend of vitamins, minerals, and herbal extracts, it carries the same interaction risks as many dietary supplements. Ingredients like coenzyme Q-10 can reduce the effectiveness of blood thinners like warfarin and may lower blood pressure further in people already taking blood pressure medication. Ginkgo biloba, another ingredient in the formula, can also raise bleeding risk when combined with blood thinners or aspirin. Licorice root can affect how warfarin works and lower potassium levels, which becomes particularly concerning for anyone taking heart medications like digoxin.
If you take prescription medications, especially blood thinners, heart drugs, or blood pressure medication, the sheer number of active ingredients in AG1 makes it worth a conversation with your pharmacist before starting.
Cost and How to Use It
A monthly subscription runs €87 (roughly the same in USD), which breaks down to about €2.90 per serving across 30 servings per pouch. First-time subscribers typically receive a welcome kit that includes vitamin D3+K2 drops and travel packs alongside the first pouch of AG1. Without a subscription, the cost is higher.
Preparation is simple: mix one scoop with cold water. The powder dissolves into a green drink with an earthy, slightly sweet taste. Once opened, store the pouch in the refrigerator to preserve the live probiotics and enzymes. Travel packs, which are individual serving packets, are more shelf-stable for on-the-go use.
Is It Worth It
AG1 is essentially a premium multivitamin combined with greens powder, probiotics, and adaptogens in a single product. Its strongest selling point is convenience: if you’d otherwise be buying and taking several separate supplements, consolidating into one drink simplifies things. The NSF Certified for Sport testing adds a layer of quality assurance that most greens powders lack.
The weakness is the gap between marketing and evidence. The company makes dozens of health claims spanning nearly every body system, but only one clinical trial has been published on the actual AG1 formula, and its findings were modest. Many of the individual ingredients in AG1, like probiotics and certain vitamins, do have solid research behind them in isolation. But that doesn’t mean the specific doses and combinations in AG1 deliver all the benefits listed on the label. At roughly $3 per day, you’re paying a significant premium over a standard multivitamin and a separate probiotic, which would cover much of the same ground for a fraction of the cost.