Version 2.0 formulas releasing soon · Single batch every time — every batch reformulated and matched to the latest scientific evidence · 166 evidence-based compounds across 30 products.Version 2.0 releasing soon · Single batch every time · 166 compounds across 30 products.
Formulas built the way I would build them for myself.
Tier 3 · mechanistic / traditional / early human
Catuaba bark 10:1 extract (Barlowe's)
Traditional Brazilian aphrodisiac; preclinical dopaminergic/antidepressant data; human RCTs lacking.
4/10evidence score
Barlowe's Herbal Elixirslicensed form owner
650 mgstudied dose used
What the evidence shows
Traditional Brazilian aphrodisiac; preclinical dopaminergic/antidepressant data; human RCTs lacking.
Tier is our appraisal of the human evidence at the dose we use: Tier 1 = multiple randomized trials; Tier 2 = human trials, fewer or smaller; Tier 3 = mechanistic, traditional or early human data; Tier 4 = emerging. Ingredients below Tier 2 are included only where the safety record is long and the traditional use is specific.
Which NEX-GEN formulas contain Catuaba bark 10:1 extract (Barlowe's)?
Forever Young (650 mg per serving). Every formula lists its full dose on the Supplement Facts panel — no proprietary blends.
What form of Catuaba bark 10:1 extract does NEX-GEN use and why?
Trichilia catigua / Erythroxylum vacciniifolium bark 10:1. We use the licensed branded form so the dose on our label matches the material studied in the trials.
What does the evidence actually show for Catuaba bark 10:1 extract?
Traditional Brazilian aphrodisiac; preclinical dopaminergic/antidepressant data; human RCTs lacking.
Who should be careful with it?
None reported; potent — start low. Talk with your clinician before starting if any of this applies to you.
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Nothing on this site is medical advice — it is educational "what I would do if I were you" guidance from an executive health coach. Talk with your clinician before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition. Last reviewed October 2026.
The protocols we cannot publish here
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