FREE Fast Shipping On Orders Over $99

For a limited time, Muscle & Strength is offering FREE SHIPPING on orders over $99! To take advantage of this amazing offer, enter the coupon code FREESHIP99 on your shopping cart page.

The free shipping offer is available for continental USA orders only, with a package weight of less than 25lbs. For packages over 25lbs you can still use our cheap $5.99 flat rate shipping.

Got questions about free shipping? Call 1-800-537-9910 or email us

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Muscle & Strength Help Section

Payment Methods

Below you'll find information about payment methods! If you need further assistance, please contact us.

What payment methods do you accept?

We currently accept the following methods of payment:

  • Visa
  • MasterCard
  • Discover
  • American Express
  • Google Checkout
  • Check
  • Money Order

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Where do I mail my money order/check?

You can mail your money order or check to the following address:

ATTN: New Orders
Muscle & Strength
1118 First Street South
Columbia, South Carolina 29209

Enclosed with the check you should also include a list of products you wish to order, your contact information (including telephone number), as well as a shipping address. Please remember to include payment for shipping costs, as well.To learn more about calculating shipping costs, please click here.

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Do I have to pay sales tax?

As our headquarters are located in the state of South Carolina, only residents located in South Carolina have to pay sales tax. No customers in any other state or country are required to pay sales tax.

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Why was my credit card declined?

If your credit or debit card is declined, you will receive a message notifying you of this when trying to purchase using our online system. When you submit your order, your credit card is securely transmitted and processed by one of the world’s largest payment processors, Authorize.net.

If you receive a message that your card is declined, it’s probably due to one of the following reasons:

  • Insufficient balance
  • Wrong card number (typo)
  • Wrong expiration date (typo)
  • New card has not yet been activated
  • Card is temporarily suspended or frozen by your bank

Unfortunately, we are not able to provide much assistance if your credit card has been declined. If your card is declined, the best thing to do would be to contact your issuing bank and try to find out why.

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