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Caffeine-free

Alpha Brain

By Onnit · daily nootropic capsule · 45 ct · Updated May 28, 2026
Our score
7.2
of 10.0
Price
$79/mo
Caps
2/day
MBG
90 days
Trustpilot
3.2 (4,200)
Our cut
12%
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Verdict

Alpha Brain falls short.

The most commercially recognised nootropic brand available to Australian buyers. Backed by two clinical studies and NSF Certified for Sport. Imported as a food supplement -- Therapeutic Goods Administration (TGA) listing required for therapeutic claims. Well suited for Australian athletes and mainstream shoppers.

What it does

Alpha Brain is Onnit's flagship nootropic, first released in 2011 and popularised through Joe Rogan's podcast. It is the most recognised nootropic brand in the English-speaking world, making it a familiar choice for Australian buyers. It is imported from the US to Australia as a food supplement. National Sanitation Foundation (NSF) Certified for Sport makes it suitable for Australian drug-tested athletes.

How it works

Alpha Brain uses three proprietary blends -- Onnit Flow Blend, Focus Blend, and Fuel Blend -- containing cholinergics (Alpha-GPC), adaptogens (Bacopa), and amino acids (Tyrosine, Theanine). Because doses are hidden in proprietary blends, individual ingredient doses cannot be verified against clinical thresholds. The two published studies (Onnit-funded, 2016 and 2021) tested the full formula and showed statistically significant improvements in verbal memory and executive function versus placebo.

What to expect

Day one: subtle focus improvement, particularly for users new to cholinergic supplements. Caffeine-free means no energy spike -- effects are gentle. At 4-6 weeks: most users report mild improvements in word retrieval and task focus. The 90-day money-back guarantee is one of the most generous in the category. Ships from the US to Australia -- delivery typically 10-18 business days.

Hero ingredients

  • Lion's ManeUndisclosed
  • Bacopa MonnieriUndisclosed
  • Alpha-GPCUndisclosed
  • L-TyrosineUndisclosed
  • Oat Straw

Who it's for

  • Two published clinical studies
  • High international brand recognition
  • Only 2 capsules

Who should skip

  • Proprietary blends hide doses
  • Subscription cancellation issues
  • Therapeutic Goods Administration (TGA) listing required for therapeutic claims -- imported as food supplement

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Health disclaimer

Therapeutic goods available in Australia are regulated by the Therapeutic Goods Administration (TGA). AUST L–listed products carry pre-approved permitted indications; AUST R–registered products are higher-evidence. Imported products without TGA listing are not assessed by Australian regulators. This page is editorial, not promotional, and does not constitute medical advice. Always read the label and follow directions for use. Consult a qualified healthcare professional before starting any supplement.