DEXO vs Mars Men
DEXO vs. Mars Men: one morning formula or a full day + night routine?
Mars Men is a morning testosterone formula. DEXO gives you that choice with PRIME / AM, or a complete AM + PM system for daytime performance, sleep and recovery.
By The DEXO TeamPublished 27 August 2026Updated 27 August 20267 min read
The 24H System
PRIME / AM + RECOVERY / PM
64% OFFvs buying both separately— 64% saving: the 24H System on subscription versus PRIME and RECOVERY purchased separately one time.
Head to head
PRIME / AM vs. Mars Men
If you're looking only for a morning natural-testosterone formula, this is the direct comparison.
DEXO — PRIME / AM
6 ingredients
2 capsules each morning
What it’s built to do
- Healthy testosterone
- Daytime vitality
- Fatigue resistance + endurance
What sets it apart
- Dedicated Rhodiola Rosea
- Research-aligned dosing
- Caffeine-free
Mars Men
8 ingredients
5 capsules each morning
What it’s built to do
- Natural testosterone
- Male vitality
What sets it apart
- High-dose formulation approach
- No Rhodiola
- Morning only
What's inside
PRIME / AM vs. Mars Men, line by line.
Every dose disclosed. Here are the two morning formulas side by side.
DEXO — PRIME / AM
- Tongkat Ali200 mg
- Shilajit500 mg
- Rhodiola Rosea200 mg
- Vitamin D32,000 IU
- Vitamin K2 MK-7100 mcg
- Boron6 mg
Mars Men
- Tongkat Ali1,000 mg
- Shilajit400 mg
- Vitamin K1100 mcg
- Vitamin K2100 mcg
- Vitamin D4,000 IU
- Zinc30 mg
Also in DEXO RECOVERY / PM
- Taurine675 mg
Also in DEXO RECOVERY / PM
- Fenugreek675 mg
- Boron4 mg
The dose matters
The biggest number isn't always the better dose.
DEXO chooses doses using human research and the context of a daily, long-term formula.
DEXO
Tongkat Ali
200 mg
Mars Men
Tongkat Ali
1,000 mg
Human research we reference evaluated 200 mg per day of standardized Tongkat Ali. Mars Men uses five times that amount, but the cited research does not show that five times the dose produces five times the benefit.
Human Tongkat Ali research →5× the dose ≠ 5× the demonstrated benefit.
Vitamin D3
DEXO
Vitamin D3
2,000 IU
Mars Men
Vitamin D3
4,000 IU
The adult tolerable upper intake level for vitamin D is 4,000 IU per day from all sources. DEXO uses 2,000 IU to leave room for vitamin D from food, fortified foods and other supplements.
NIH Vitamin D guidance →A daily formula should account for what you get outside the bottle.
Daytime performance
Energy deserves its own ingredient.
Mars Men markets energy and vitality. PRIME gives that job its own dedicated ingredient: Rhodiola Rosea.
DEXO
Rhodiola Rosea root extract
200 mg
- 3% rosavins
- 1% salidroside
Rhodiola is an adaptogenic botanical studied in humans for fatigue resistance and endurance. PRIME’s 200 mg dose and standardization align with controlled human research examining those outcomes.
Rhodiola endurance research →DEXO
DEXO PRIME / AM
200 mg Rhodiola
Dedicated daytime-performance ingredient
Mars Men
Mars Men
No Rhodiola
The night matters
Your morning testosterone starts the night before.
Testosterone generally rises during sleep and is typically highest around waking. That’s why DEXO doesn’t stop with a morning formula. RECOVERY / PM is built around sleep, stress response and recovery through the night.
Natural testosterone rhythm
RECOVERY / PM
8 ingredients. Built for the night.
Eight ingredients supporting sleep, stress response, physical recovery and foundational nighttime physiology.
Ashwagandha
600 mg
Glycine
3 g
Magnesium Bisglycinate
200 mg elemental
L-Theanine
200 mg
Taurine
1.5 g
Zinc
15 mg elemental
Copper
1 mg elemental
Selenium
100 mcg
DEXO
Dedicated PM formula
Yes
Mars Men
Dedicated PM formula
No
Built with research
The formula should have receipts.
Mars Men
Publicly features a medical and scientific advisory board.
Side by side
The full picture.
| The full-day system24H System | Mars Men | |
|---|---|---|
| Natural testosterone support | Yes | Yes |
| Morning formula | Yes | Yes |
| Capsules each morning | 2 | 5 |
| Dedicated PM formula | Yes | No |
| Dedicated Rhodiola | Yes | No |
| Dedicated sleep support | Yes | No |
| Tongkat Ali | 200 mg | 1,000 mg |
| Taurine | 1.5 g · RECOVERY / PM | 675 mg |
| Daily architecture | AM + PM | Morning |
Doses shown per daily serving, as disclosed on each label.
Sources & methodology
Mars Men formula and dose information is based on publicly available product information accessed on 2026-08-26. DEXO ingredient research links primarily to human studies, systematic reviews and authoritative health guidance.
Mars Men product information last checked: 2026-08-26
From DEXO customers
Simple enough that it actually happens
Callum D. · Verified
Training feels less like a grind
Ola A. · Verified
Doses I could actually check
Priyan S. · Verified
Start where you are
Want to start with the morning?
Start with PRIME.
PRIME / AM is the DEXO standalone morning formula. If you want the complete day + night approach, add RECOVERY / PM as part of the full 24H System.
Recommended
Option 2
The 24H System
PRIME / AM + RECOVERY / PM
Day + night support
64% OFFvs buying both separately— 64% saving: the 24H System on subscription versus PRIME and RECOVERY purchased separately one time.
90-day money-back guarantee
Built for the whole day.
PRIME in the morning. RECOVERY at night. Again tomorrow.
64% OFFvs buying both separately— 64% saving: the 24H System on subscription versus PRIME and RECOVERY purchased separately one time.