- BUILD LEAN MUSCLE: As featured in Los Angeles Confidential Magazine. If you're looking for the best post-workout recovery drink supplement, you've found it! Vintage Build is the essential 3-in-1 natural muscle builder. Its unique formula delivers a proven trio of muscle-building ingredients in a flavored powder that mixes easily and tastes great with water or your favorite shake.
- TESTED AND TRUSTED: Third-party tested supplement made exclusively with premium ingredients, including branched chain amino acids (BCAA), creatine monohydrate, and L-glutamine. Suitable for men and women looking for lean muscle growth, not bulk or a weight gainer. Vintage Build is a great supplement to your pre-workout and a healthy diet.
- GUARANTEED RESULTS OR YOUR MONEY BACK: Old School Labs supplements never compromise on quality and always include clear and complete supplement facts without any "proprietary blends." We stand by our products 100%. If you are not completely satisfied with any OSL product, we will help you resolve your concern or provide a full refund.
- OSL HERITAGE: Old School Labs, California; Supplements That Make Sense, 40 Years in the Making. Only one thing has ever mattered to OSL: our customers. Before becoming a best-selling national brand with thousands of loyal customers and followers, this was our priority. That will never change. Our team of experts are available by email or social media to answer questions regarding the best way to use a product. Our products are sold on Amazon.com, proudly formulated in California, made in U.S.A.
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