Your strength, Backed by Science
CLINICALLY-STUDIED INGREDIENTS
THIRD-PARTY CERTIFIED FACTORIES
ONLY THE BEST QUALITY
MANUFACTURED IN THE U.S.A
Over 50,000 happy customers
Clinically-backed. Formulated for you.
Our doctors, scientists, and researchers worked with third-party experts to study the OLS formula. Here is what they found:
Over 50,000 happy customers
Built better.
Get the OSL Advantage.
Over 50,000 happy customers
Got questions?
What is Turkesterone?
Turkesterone is a supplement derived from the plant Ajuga Turkestanica which is known to promote its extensive benefits, asserting that it aids in building muscle mass, burning fat, enhancing strength, stamina, endurance, recovery, energy levels, cognitive function, and overall well-being.
How does Turkesterone work?
Turkesterone gained popularity due to its purported anabolic properties, specifically its ability to stimulate anabolic responses that facilitate muscle protein gain. This promotion of protein synthesis is essential for muscle growth and repair, contributing to its appeal in fitness and wellness communities.
What makes OSL Turkesterone different from other brands in the market?
We have meticulously chosen premium ingredients to create a Turkesterone formulation with optimal bioavailability and a potent dosage for ultimate strength. To maximize absorption even further, we've included Bioperine in our formulation.
Is Turkesterone safe?
Research evidence indicates that Turkesterone is generally well-tolerated with no reported side effects. It is considered a safe and dependable supplement. As long as users adhere to recommended dosages and cycling protocols, they can confidently incorporate Turkesterone into their regimen without concerns.
Can I change my shipping address after placing an order?
You can change your shipping address only if your order is still being processed.
Contact us immediately if you wish to do so.
I received the wrong item or my order is missing an item. What do I do?
Contact us immediately. Make sure to include the email address you used for checkout, your full name, and your order number.
Our customer service representatives will not rest until you get the right product(s) as quickly as possible. They will also guide you through the steps of exchanging or returning the wrong item(s).
How can I change my payment method?
You can change your add or remove payment methods by logging in to your account.
What are your shipping options and do you ship Internationally?
Shipping Options:
U.S. Shipping
We offer a variety of shipping options to suit your needs:
Standard shipping (typically 3-5 business days) is free for all orders over $85
Expedited shipping (typically 1-3 business days)*
* Expedited shipping is not available for Alaska, Hawaii, and military addresses (AA, AE, AP).
Please note that orders placed after 5pm Eastern may be processed the next day. Some merchandise items ship separately and may take a few more days to fulfill.
International Shipping
We currently ship to these countries:
AFRICA: Egypt, Algeria, Ghana, Morocco, Senegal, South Africa, Tunisia, Zimbabwe
EUROPE: France, Austria, Georgia, Germany, Albania, Andorra, Armenia, Belarus, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Faroe Islands, Finland, Gibraltar, Greece, Greenland, Guadeloupe, Guernsey, Vatican City, Hungary, Iceland, Ireland, Italy, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Mayotte, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Réunion, Romania, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom
ASIA: Bahrain, Kuwait, Lebanon, Qatar, Saudi Arabia, United Arab Emirates, Azerbaijan, China, India, Japan, Jordan, Kazakhstan, Malaysia, Maldives, Philippines, Singapore, South Korea, Taiwan, Thailand, Uzbekistan
AMERICA: Canada, Argentina, Brazil, Chile, Colombia, Ecuador, Mexico, Paraguay, Peru, Uruguay
Australia
New Zealand
How do I track my Order?
You can track you order here: https://shop.oldschoollabs.com/pages/tracking-page
How do I cancel my order?
To cancel a recent order, contact us by email or live chat with your name and order number.
Orders typically ship within 24 hours. We cannot cancel them once they do.
Do you offer Returns or Refunds?
We want you to experience all our products, and to keep taking those that fit your goals. This is why our products are backed by our uncompromising 100% Money Back Guarantee and hassle-free returns policy. Buy any product, and in the unlikely event you’re not completely satisfied with your order, please contact our Customer Service team and we’ll process your refund promptly.
*The first bottle of each and every product is protected by our hassle-free guarantee. For orders containing multiple bottles of the same product: physical return of the sealed, un-opened bottles is required for a refund.
Forgot Password
You do not need to use a password with Old School Labs.
Simply go to account page, enter your email address, and we will then send you a one-time code to that email.
If you are still having problems, please contact us.
Login Issues
Follow these steps if you are facing login issues:
Check if the CAPS lock and NUM lock buttons are pressed on your keyboard
If you have multiple email addresses, make sure you enter the correct e-mail and password combination for this site
If your browser has an auto-complete function, make sure it is filling the correct e-mail address for Old School Labs
Clear your browser’s cache and cookies and try again
You can reset you password by clicking on Forgot? in the account page.
If you are still having problems, please contact us.
Manage Susbcriptions
Please login to manage your subscription https://shop.oldschoollabs.com/apps/retextion/login
Change Address
To change your billing or shipping address, go to your account, click on 'Addresses' at the top of the page, then edit or delete the address you want.
To change the shipping address for a recent order, contact us with your order number.
Please note that orders typically ship within 24 hours. We will not be able to change your address once they do.
Accepted Payment Methods
We accept the following payment methods:
Credit Card
We accept Visa, MasterCard, American Express, Discover, JCB, and Diners Club credit and debit cards.
We adhere to strict industry standards for payment processing, including:
128-bit Secure Sockets Layer (SSL) technology for secure Internet Protocol (IP) transactions. Industry leading encryption hardware and software methods and security protocols to protect customer information. Compliance with the Payment Card Industry Data Security Standard (PCI DSS).
Other Payment Methods
We also accept payments through PayPal, Shop Pay, Apple Pay*, and Google Pay.
*Apple Pay is supported on the iPhone, Apple Watch, iPad, and Mac.
Storage Guidelines & Warnings
Storing your supplements properly ensures they remain potent and effective. Every bottle and container of Old School Labs™ products is filled with uncompromisingly premium ingredients and comes with an expiry date clearly printed at the bottom.
General Guidelines
You should store vitamins and supplements in a cool and dry place.
Make sure they are sealed tight after using them and placed out of the reach of children.
Never mix supplements from one bottle with another.