Can You Build Muscle on Metformin? What the Research Shows

Older man seated on a gym bench holding a dumbbell in each hand.

Taking metformin does not mean strength training is pointless or that muscle growth is impossible. Research suggests it may reduce some muscle-building responses in certain groups, but it cannot tell you exactly how much muscle you personally will gain. If you take metformin and want to get stronger, the useful questions are straightforward: What did … Read more

Which Creatine Supplement Is Worth Buying? 6 Options Compared

Creatine supplement containers, a scoop of powder, and a shaker beside the heading “Creatine Supplements Compared.

Buying creatine should be straightforward. Yet a quick search brings up plain powders, flavored blends, different serving sizes, and prices that are difficult to compare. For a healthy adult considering creatine for strength training, creatine monohydrate is a sensible starting point. It is the most widely studied form, with evidence supporting its use for repeated … Read more

What Is a Good Vertical Jump for My Age? Benchmarks and Charts

Athlete performing a standing vertical jump beside a gym wall to measure jump height.

You measure your vertical jump, look up your result, and find three websites giving you three different answers. One calls your score average. Another calls it excellent. A third makes it sound as though everyone should be dunking. The problem may be the comparison, not your jump. A good vertical jump depends on your age, … Read more

Best Vertical Jump Programs in 2026: An Honest Comparison

Best vertical jump programs compared by training style and equipment

The best vertical jump program is not necessarily the one with the biggest promise or the most dramatic sales page. It is the program that fits your experience, available equipment, schedule, and current training needs. Some athletes want a short bodyweight plan they can follow on a basketball court. Others need structured strength training, longer … Read more

Can You Add 20 Inches to Your Vertical Jump?

Basketball player testing whether training can add 20 inches to a vertical jump

Videos and sales pages sometimes suggest that one program or exercise can add 20 inches to your vertical jump in only a few months. That is an exciting promise, especially if your goal is to touch the rim or dunk a basketball. It is also far outside the improvement reported for most people in controlled … Read more

Vert Shock vs Jump Manual (2026): Which Vertical Jump Program Is Better?

ert Shock vs Jump Manual vertical jump program comparison

If you are comparing Vert Shock vs Jump Manual, the main difference is not simply which program is “best.” The more useful question is which training style fits your experience, equipment, schedule, and goals. Vert Shock centers on an eight-week, mostly bodyweight jump-training schedule. Jump Manual takes a broader approach, combining jumping drills with strength … Read more

Altas Strength 10th Anniversary Limited Combo Smith Machine Review | AL-3059 & AL-4006 Bench

Altas Strength AL-3059 Smith machine with AL-4006 adjustable bench

Building a home gym often means choosing between separate stations and a single machine that handles most of your training. The Altas Strength AL-3059 takes the second approach, combining a Smith machine, power rack, plate-loaded cable system, and multiple exercise stations. The limited 10th Anniversary promotion originally reviewed on this page bundled the AL-3059 Smith … Read more

Altas Strength AL-3061B Review: Is This Smith Machine Combo Worth It?

Editorial graphic for the Altas Strength AL-3061B Smith machine combo review

If you want to build a serious home gym without buying several separate training stations, the Altas Strength AL-3061B may have caught your attention. It combines a Smith machine, cable system, free-weight rack and multiple exercise attachments in one large station. This Altas Strength AL-3061B review examines the machine together with the AL-3018 adjustable bench. … Read more

Vert Shock Review 2026: Is the 8-Week Program Worth $67?

Athlete performing an explosive vertical jump on an outdoor basketball court

You want to add inches to your vertical jump without joining a gym. Maybe you’ve seen ads for Vert Shock, or a teammate swears by it. You may have watched the dunk videos and wondered if the program behind them actually works. This review examines what Vert Shock includes, how its eight-week training schedule works, … Read more