Thesis
Thesis is worth a look.
4 personalised formula blends per month with a nootropics coaching service — the most flexible option for LATAM buyers who want to optimise their stack before committing long-term. Priced at $79 USD/month (subscription only) with no local currency option. Ships from the US, allow 10–18 days. Note: as a subscription service, each monthly shipment is a separate customs event — Brazilian buyers should factor in repeated ANVISA holds risk, and Argentine buyers should confirm ongoing USD billing is feasible under current currency controls.
What it does
Thesis is a personalised nootropic subscription that sends four different formula blends each month — Energy, Clarity, Logic, and Motivation — along with access to a nootropics coaching service. Rather than a fixed formula, it lets you rotate blends on different days to find what works best for your cognitive profile. For LATAM buyers, Thesis operates exclusively in USD with no local currency checkout and ships from the US as a personal-use supplement subscription. None of the blends are registered with the Comisión Federal para la Protección contra Riesgos Sanitarios (COFEPRIS) in Mexico, the Agência Nacional de Vigilância Sanitária (ANVISA) in Brazil, ANMAT (Argentina), the Instituto Nacional de Vigilancia de Medicamentos y Alimentos (INVIMA) in Colombia, ISP (Chile), or DIGEMID (Peru). Because Thesis is subscription-based, each monthly shipment is a separate import event, which increases cumulative exposure to customs duties and delays — particularly relevant for buyers in Brazil and Argentina.
How it works
Each Thesis blend targets a different cognitive mode. Energy blend: stimulating compounds (Zynamite, Dynamine, Ashwagandha) for high-output days. Clarity blend: cholinergics and focus ingredients for clear thinking. Logic blend: memory and processing speed ingredients. Motivation blend: dopaminergic support. Each blend has a caffeine-free and caffeinated option. The personalisation model allows you to match your cognitive demand of the day with the appropriate formula.
What to expect
First month: expect an experimentation period. You'll rotate through 4 blends, 7 days each, to assess which has the most noticeable effect for you. Energy blend effects are immediate (stimulating compounds work within 30-60 minutes). Clarity and Logic blend effects build over 2-4 weeks. Coaching service adds value for users who want guidance on optimising their protocol.
Hero ingredients
- Ashwagandha300mg
- Zynamite140mg
- Alpha-GPC200mg
- Dynamine100mg
- L-Theanine200mg
Who it's for
- 4 personalised formulas/month
- Nootropics coach included
- Good formula transparency
Who should skip
- Subscription only
- Requires experimentation
- International shipping to Latam -- allow 7-14 days delivery
Dosing audit
| Ingredient | Label | Clinical | Status |
|---|---|---|---|
| Ashwagandha (KSM-66) | 300mg | 300-600mg | ✓ Pass |
| Alpha-GPC | 200mg | 300mg | ✕ Under |
| L-Theanine | 200mg | 100-200mg | ✓ Pass |
| Zynamite (Mango leaf extract) | 140mg | 140mg | ✓ Pass |
| Dynamine (Methylliberine) | 100mg | Limited data | ✕ Under |
Ingredient quality
Number and quality of evidence-graded ingredients. Trademarked extracts and standardized actives raise this score.
Dosing vs. clinical evidence
How many ingredients meet their clinical-trial dose. Underdosing flagship actives is the biggest score deduction.
Formula transparency
Full disclosure of every ingredient at its exact dose. Proprietary blends are scored as opaque.
Value for money
Cost per month relative to per-serving clinical doses delivered. Cheaper products with underdoses score lower.
Brand trust
Brand reputation, third-party testing, refund track record, and Trustpilot signal across multiple years.
How the score is computed
Each pillar is weighted by editorial importance. Weights are constant across every brand we audit — they're not adjusted to favour any particular product.
- Ingredient quality25%
- Dosing vs. clinical evidence30%
- Formula transparency20%
- Value for money15%
- Brand trust10%
780 verified reviews
We don't embed cherry-picked quotes here. Trustpilot is the canonical source — the score above feeds into our Trust pillar.
Read all 780 reviews on Trustpilot →Subscribe & save
- Lowest available price
- 30-day money-back guarantee
- Cancel anytime
- Free shipping
The fine print
Full refund if you're not satisfied. Brand-direct guarantee, not Amazon's.
We score every brand on cancellation friction. Auto-deduct from the Trust pillar if you have to email to cancel.
We earn a commission on the click. Scores are computed before commission lookup — read the methodology to verify.
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Aviso de salud
Esta página es contenido editorial con fines educativos y no constituye consejo médico. Los suplementos alimenticios están regulados por agencias nacionales: la Agência Nacional de Vigilância Sanitária (ANVISA) en Brasil bajo RDC 243/2018, la Comisión Federal para la Protección contra Riesgos Sanitarios (COFEPRIS) en México, y el Instituto Nacional de Vigilancia de Medicamentos y Alimentos (INVIMA) en Colombia. En Argentina, ANMAT Disposición 2105/2022 prohíbe ciertos compuestos nootrópicos (incluyendo Noopept) — no recomendamos productos con esos ingredientes a lectores en Argentina. Aviso para lectores en Brasil: ANVISA publicó en julio de 2026 una alerta oficial advirtiendo que los péptidos inyectables comercializados en línea para bienestar, antienvejecimiento y fitness (incluyendo GHK-Cu, BPC-157, TB-500, CJC-1295 e ipamorelin) no están registrados como medicamentos, suplementos alimentarios ni cosméticos y no pueden venderse legalmente en Brasil. No enlazamos ni recomendamos proveedores que realicen envíos de formulaciones inyectables a Brasil. Consulte siempre a un profesional de la salud calificado antes de comenzar cualquier suplemento. / This page is editorial and not medical advice. Supplements are regulated by national agencies: the Agência Nacional de Vigilância Sanitária (ANVISA) in Brazil, the Comisión Federal para la Protección contra Riesgos Sanitarios (COFEPRIS) in Mexico, and the Instituto Nacional de Vigilancia de Medicamentos y Alimentos (INVIMA) in Colombia. In Argentina, ANMAT Disposition 2105/2022 prohibits certain nootropic compounds (including Noopept) — we do not recommend products containing those ingredients to Argentine readers. Brazil notice (updated July 2026): ANVISA issued a formal consumer alert that injectable peptides sold online for wellness, anti-aging, or fitness purposes — including GHK-Cu, BPC-157, TB-500, CJC-1295, and ipamorelin — are unregistered and cannot legally be sold in Brazil. We do not link to or recommend vendors that ship injectable formulations to Brazil. Consult a qualified healthcare professional before starting any supplement.