---
product_id: 1205510
title: "The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance"
price: "148.64 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/1205510-the-hardness-factor-tm-how-to-achieve-your-best-health
store_origin: TN
region: Tunisia
---

# The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance

**Price:** 148.64 DT
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance
- **How much does it cost?** 148.64 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/1205510-the-hardness-factor-tm-how-to-achieve-your-best-health)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance [Lamm, Steven, Couzens, Gerald Secor] on desertcart.com. *FREE* shipping on qualifying offers. The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #980,678 in Books ( See Top 100 in Books ) #144 in Male Impotence #459 in Popular Psychology Reference #906 in Exercise & Fitness For the Aging |
| Customer Reviews | 4.2 4.2 out of 5 stars (153) |
| Dimensions  | 7.38 x 0.96 x 9.12 inches |
| Edition  | Reprint |
| ISBN-10  | 0061235202 |
| ISBN-13  | 978-0061235207 |
| Item Weight  | 1.4 pounds |
| Language  | English |
| Print length  | 384 pages |
| Publication date  | June 26, 2007 |
| Publisher  | Harper Perennial |

## Images

![The Hardness Factor (TM): How to Achieve Your Best Health and Sexual Fitness at Any Age – A Revolutionary Clinician's Guide to Optimal Male Performance - Image 1](https://m.media-amazon.com/images/I/61DxbGCHcfL.jpg)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-27*