Nature's Journey vs AG1: Probiotic Supplement vs Greens Powder
Athletic Greens (AG1) is the most successful greens powder of the last decade. Nature’s Journey Complete Gut Defense is a dedicated daily probiotic. They’re often compared, but they answer different questions. Here’s how the two actually overlap — and where they don’t.
AG1 is a wide net — a little of many things. Complete Gut Defense is a deep one — a focused dose of the gut-specific stack. If your goal is comprehensive gut support, a dedicated probiotic delivers more for less. If your goal is a single “daily everything” powder, AG1 is built for that.
Two products, two different jobs
Comparing a multi-nutrient greens powder to a dedicated probiotic is a bit like comparing a multivitamin to a sleep supplement — they can complement each other, but they’re not interchangeable. AG1 is positioned as “one product instead of many.” Complete Gut Defense is positioned as the deepest possible single capsule for gut support specifically.
What AG1 is built for
AG1’s formula stacks roughly 75 ingredients into one daily powder, including:
- A greens/herb blend (spirulina, alfalfa, wheatgrass, etc.)
- A vitamin and mineral blend
- A small adaptogen and antioxidant blend
- A small probiotic and digestive enzyme blend
The trade-off of that breadth is dose. Most individual ingredients in AG1 are present at modest amounts. The probiotic in AG1 is approximately 7.2 billion CFU per serving — well below the daily-support range for someone actively trying to improve gut balance, and a small fraction of what a dedicated probiotic delivers.
What Nature’s Journey Complete Gut Defense is built for
Complete Gut Defense is purpose-built for gut support specifically. Each capsule delivers:
- 50 billion CFU across 6 multi-strain probiotics, including the beneficial yeast S. boulardii
- Prebiotic FOS (fructooligosaccharides) at a meaningful dose, not a sprinkle
- Mastic gum and NAC for gut-lining and mucosal support
- Bioavailable cofactors: magnesium glycinate, D3, K2 MK-7, methyl B12, P-5-P, and L-5-MTHF folate
Probiotic strength comparison
| Category | Nature’s Journey | AG1 |
|---|---|---|
| Probiotic CFU | 50 billion | ~7.2 billion |
| Number of probiotic strains | 6 multi-strain plus S. boulardii | Limited probiotic blend |
| Prebiotic dose | ✓ Meaningful FOS | Small inulin inclusion |
| Gut-lining (mastic gum, NAC) | ✓ Included | ✗ Not included |
| Greens/superfood blend | ✗ Not included | ✓ Included |
| Multivitamin coverage | Partial (gut-relevant cofactors) | ✓ Full profile |
| Form | 1 daily capsule | Powder, mixed with water |
| Best for | Daily gut support | One-product daily nutrition |
Per-day cost comparison
AG1 typically costs ~$3 per day on subscription. Nature’s Journey Complete Gut Defense is roughly 1/3 to 1/2 the per-day cost, while delivering ~7× the probiotic CFU and a meaningfully larger prebiotic dose. If you’re paying for AG1 specifically for its probiotic content, the per-CFU value is dramatically better in a dedicated probiotic.
Who each one is best for
- AG1 may suit you if you want a one-product daily routine, you don’t mind paying a premium for convenience, and you want a baseline of multivitamin + greens with a small probiotic bonus.
- Nature’s Journey may suit you if your priority is gut support specifically — bloating, regularity, post-antibiotic recovery, or rebalancing after stress or travel.
- You can take both: AG1 covers the daily multivitamin + greens; Complete Gut Defense covers the actual gut-targeted probiotic. The two products don’t overlap meaningfully.
Frequently Asked Questions
Short answers to the most common questions.
Does AG1 have enough probiotic to count as a daily probiotic supplement?
AG1 contains around 7.2 billion CFU in its probiotic blend, which is in the maintenance range for people who already have a balanced microbiome. For active gut support — bloating relief, post-antibiotic recovery, ongoing digestive issues — most clinical research uses doses in the 10–50 billion CFU range. AG1's probiotic is best thought of as a small bonus, not the primary probiotic in your stack.
Can I take Nature's Journey instead of AG1?
Only if your goal is gut support, not full daily nutrition. AG1 covers a multivitamin and greens profile that Complete Gut Defense doesn't (no vitamin C, no greens blend, no adaptogens, etc.). They're complementary, not interchangeable.
Can I take both?
Yes, and many customers do. AG1 covers daily multivitamin + greens; Complete Gut Defense covers gut. There's no meaningful ingredient overlap that would create a stacking issue. Take AG1 in the morning with water; take Complete Gut Defense with a meal at any time of day.
Why is AG1 so expensive?
AG1's pricing reflects the breadth of the formula (75 ingredients) and the brand's marketing and sponsorship investment. The actual per-ingredient cost of a greens powder is modest; the value depends on whether you'd otherwise buy and consistently take 5–10 separate supplements that the powder replaces.
Which one is better for bloating?
A dedicated multi-strain probiotic with prebiotic FOS, like Complete Gut Defense, is purpose-built for bloating support. AG1's small probiotic dose may help maintenance but is generally too low to address active bloating concerns. See our guide on the best probiotic for bloating for the specific strains research highlights.
The bottom line
AG1 is a fine multivitamin-plus-greens powder if you want one product to cover a daily baseline. It is not a serious probiotic. If gut support is what you’re after, Complete Gut Defense delivers ~7× the CFU, a real prebiotic dose, and gut-lining support — at a fraction of the per-day cost.