AG1 Review 2026: Is Athletic Greens Worth $79/Month? An Honest Science-Based Assessment

Verdict: AG1 (Athletic Greens Next Gen) is a legitimate, NSF-certified greens powder with more clinical evidence behind it than most competitors — four company-sponsored double-blind RCTs. However, it uses proprietary blends for most of its 83 ingredients, making it impossible to verify whether any individual component is at a clinically effective dose. At $79–99/month, it is two to three times the price of comparable greens powders with more ingredient transparency. For most healthy adults eating a varied diet, it is not necessary. For time-poor people wanting a convenient, third-party tested nutritional foundation, it is a defensible premium — not a miracle, not a scam.

What Is AG1?

AG1 contains 83 ingredients across several proprietary blends: vitamins and minerals, a greens and phytonutrient blend, an adaptogen and mushroom blend, a probiotic blend (7.2B CFU, 12 strains), and digestive enzymes. It is NSF Certified for Sport, meaning every batch is independently tested for banned substances and label accuracy. The January 2025 reformulation (“AG1 Next Gen”) increased the ingredient count from 75 to 83 and reformulated several mineral forms for better bioavailability.

The Clinical Evidence

• Nutrient gaps (most credible): Demonstrated that AG1 supplementation significantly increased blood levels of key micronutrients (B12, C, E, zinc, folate) vs placebo after 90 days. The nutrients are bioavailable and absorbed.
• Gut health: Found increases in probiotic colonisation. An independent 2024 SHIME gut simulator study found AG1 significantly altered microbiome composition.
• Energy (weakest): 85% of participants reported improved energy by day 30 — self-reported outcomes in open-label trials are highly susceptible to placebo effects.
• Immune function: Self-reported improvements. Company-funded, subjective outcomes — interpret cautiously.

The Proprietary Blend Problem

The “Alkalising Greens Complex,” “Nutrient Dense Raw Superfood Complex,” and “Adaptogen Blend” do not disclose individual ingredient amounts — only total blend weight. You cannot verify whether ashwagandha, rhodiola, or lion’s mane is at a clinically effective dose. The NSF certification confirms label accuracy and purity — not that every ingredient is clinically dosed.

AG1 vs Alternatives

Who Should Buy AG1 (and Who Shouldn’t)

• Good fit: Frequent travellers needing portable, NSF-certified nutrition; athletes in tested sports needing NSF certification across all supplements; people already spending $80+ on a multivitamin, greens, and probiotic separately
• Not ideal: People eating a varied, vegetable-rich diet; anyone wanting to verify specific adaptogen doses; budget-conscious buyers — you can build a superior, fully transparent stack for $30–40/month

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