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Pre-Workout + Post Workout + Test Booster

Size & Strength Stack

Size & Strength Stack

28 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!

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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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Customer Reviews
4.9 Based on 28 Reviews
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30 Jan 2023
matthew b.
United States United States
I recommend this product

stregnth and size stack

this is prolly the best pre and post workout I've used. been training for over 25 years and its a great product

24 Jan 2023
Reginald Y.
United States United States
I recommend this product

Amazing. That’s the title

I love each of these products equally. This is my favorite stack used and only after using it for 3 weeks I definitely see an increase in strength and energy. We need a local store in Wisconsin lol! Thanks old school. My go to supplements for sure

01 Nov 2022
United States United States
I recommend this product

Quality and effectiveness


03 Oct 2022
Michael A.
United States United States
I recommend this product

Superb !!!

So far I have defineltley seen some growth in my physique will continue to stay on to see how big I can get

17 Sep 2022
Willie F.
United States United States
I recommend this product


Product works as expected ..

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.