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Pre-Workout + Post Workout + Test Booster

Size & Strength Stack

Size & Strength Stack

24 reviews

This stack has 3 of our most effective products to help you build size & strength: Vintage Blast™ two-stage pre-workout, Vintage Build™ 3-in-1 muscle builder, and Vintage Boost™ testosterone booster. No Gym, no problem. Use this stack to help you gain muscle wherever your workout takes you!

Regular price $114.72
Regular price $134.97 Sale price $114.72 Sale Sold out
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Pre-Workout Flavor
Post Workout Flavor
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  • Transparent Label
  • Premium Ingredients
  • Certified GMP Quality
  • Manufactured in the USA

Stack Details

Vintage Blast™

Unlike other pre-workouts, the unique two-stage formula delivers steady energy and pumps. This means no crashing, no dependency, just amazing workouts and gains. More Details →

Directions: Mix 1 scoop with 14-16 oz of water, 15 to 30 minutes before your workout.

Vintage Build™

Contains an effective mixture of three essential muscle building ingredients: BCAAs, Creatine Monohydrate, and L-Glutamine. Naturally flavored with zero sugar. More Details →

Directions: Mix 1 scoop with 8-10 fl. oz. of cold water. Take within 30 minutes post workout and any time on rest days.

Vintage Boost™

Works with the body’s self-regulating hormonal mechanisms for a natural testosterone boost which produces noticeable increases in strength and muscle hardness, and amps up recovery. More Details →

Directions: Week 1 (Activation Wave): Take 3 capsules once a day with dinner. Weeks 2 & 3 (Loading Wave): Take 3 capsules twice a day with breakfast and lunch. Week 4 (Balancing Wave): Take 3 capsules once a day with breakfast.

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Your Reviews

Customer Reviews
4.8 Based on 24 Reviews
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17 Sep 2022
Willie F.
United States
I recommend this product


Product works as expected ..

21 May 2022
Neil R.
United States United States
I recommend this product

Satisfied consumer

I can feel the difference using vintage blast and vintage boost. And I gained one pound on the scale with vintage brawn and vintage build. I will be making a replacement order soon.

28 Mar 2022
Douglas F.
United States United States
I recommend this product

Great Products

I’ve tried other supplement brands over the years, but after finding Old School Labs I will never use anything else. They make a quality product. I have seen gains in my lifts and improvement in my physique. I feel great when taking these and never get jitters or an upset stomach. I’ll be a lifelong customer!

24 Mar 2022
Matthew B.
United States United States
I recommend this product

As advertised

I have been waiting for a supplement company like this for years. Clean ingredients , good flavor and results! Maybe a bit heavy on caffeine but overall a great product!

11 Jan 2022
#26097841635425 Q.
United States United States
I recommend this product

New comer

I been using this stack for a month now and getting ready to do another stack .I seen a big improvement in my lift and body frame.I can’t wait to start the next stack and see what’s it bring me….

Frequently Asked Questions

Vintage Blast™ is specifically designed to deliver its ingredients over an extended period of time, rather than all at once, by harnessing the ingredients’ different digestive and assimilation properties.

Vintage Blast™ contains no carbs, no sugars, and no calories. The sweetening in Vintage Blast™ is provided by stevia leaf extract, a natural sweetener with zero calories and zero carbs.

No. Vintage Build™ was specifically formulated with only tried-and-tested ingredients that are both safe and effective. No banned substances are ever used in any Old School Labs™ products.

Vintage Build™ can be taken at any time during the day. As a rule of thumb, split your servings between a.m. and p.m. to allow your body to be constantly fueled by Vintage Build™. If you are taking Vintage Build™ once a day, make sure to include at least one serving following your workout to accelerate your recovery and muscular development.

Though results vary, typically you will start seeing changes 2-3 weeks after you start using Vintage Boost™.

Yes, Vintage Boost™ is a non-steroidal product for adults wishing to boost their testosterone to help drive gains in muscle size, strength, energy and libido.

More Questions?

If you have any questions about this product please feel free to get in touch. At Old School Labs™, we pride ourselves in the quality of our products and our customer service.