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Jeff Seid's Workout Routine, Diet Plan & Supplements

Tyler Sellers
Published by Tyler Sellers | Senior Coach
Last updated: June 9, 2023

It’s rare that you see a 24-year-old kid that has achieved as much as Jeff Seid. Not only does he have a killer body, but he has managed to come up with detailed diet plans for bodybuilders to better implement carb cycles.

He’s also done extremely well in the Mr. Olympia Men's Physique competition, founded a sportswear company, and he’s published a book.

It’s all been possible because of a lifelong obsession with sport and fitness that began when he was just five years old.

Fortunately, he’s been very generous with information on social media.

And that’s where we turned to, to come up with this Jeff Seid workout and diet plan.

Quick Summary

  • Jeff Seid's workouts range from preacher curls, dumbbell triceps extensions, side raises, crunches, barbell deadlifts, leg presses, planks, and bicycle kicks.
  • Seid's exercises are designed to work on the legs, chest, arms, shoulders, back, and abs.
  • Jeff takes supplements such as whey protein, mass gainer, and BCAAs.
  • Seid combines carb cycling, eating a healthy diet and exercises to maintain buffed up body.

Jeff Seid’s Stats

  • Age: 24 years old
  • Height: 6’4”
  • Weight: 210 lbs
  • Business: SeidWear Fitness Gear
  • From: Renton, WA
  • Achievements: 2013/14/16 Mr. Olympia Men's Physique Competitor

His Body Transformation

Believe it or not, but Jeff has mentioned a few times that his muscle-building efforts started as early as 11 years old.

Yes, 11.

By the time he was finishing High School, he was one of the best wrestlers in the country and had several college football scholarship offers.

Unfortunately, his football career was cut short when he damaged his ACL in his senior year in High School, and that’s when he had to rethink his future.

He jumped onto bodybuilding in a more serious way, and by 2013 he took part in competitive events.

He jumped onto bodybuilding in a more serious way, and by 2013 he took part in competitive events.

All that has resulted in an amazing fitness career, a sportswear business, and a massive social media following that has also led to a training book called Guide to Aesthetics.

So, what’s the Jeff Seid workout routine all about?


His Workout Approach

working out

The secret to the Jeff Seid workout routine is that he never allows it to become static.

That means he’s constantly switching out exercises and what parts of his body he combines on what days.

He’ll add a random super set on days when he thinks his body can’t take anymore, and he doesn’t leave a single muscle group untouched.

It’s all about keeping his muscles shocked and growing on a constant basis.

With 5 or 6 trips to the gym each week and an active rest period, he has ultimately been able to achieve a physique that is kind of like no other.

I’d go as far as saying that he would put many professional bodybuilders to shame that have ten years more experience.

Jeff Seid’s Workout Routine

fitness routine

First off, let me tell you that these aren’t novice workouts. You’ll need at least some experience with lifting weights, and if you haven’t, then make sure you get a few sessions with a personal trainer at your gym.

The Jeff Seid workout routine involves a minimum of 5 days at the gym, with Saturday being an optional active rest day.

If you’re in a serious bulking phase, then I would suggest using that day to focus on the part of your body where you think you might still have most of the work to do.

Here’s the breakdown by day.

  • Monday: Chest/Abs
  • Tuesday: Legs
  • Wednesday: Back/Abs
  • Thursday: Shoulders
  • Friday: Arms
  • Saturday: Rest Day
  • Sunday: Rest Day

Now let me show you what each workout routine involves.

Monday: Chest & Abs

Dumbbell incline fly

There are only five things you need to do here, but by having four sets for most of them, it’s going to take some time.

Also, make sure you plan your weights right.

Each set has a lower number of reps, but you still need to feel a serious burn for the last two or three reps. That means you’ll need to increase the weight for each set.

  • Barbell incline bench press (4 sets of 10, 8, 8, 6 reps)
  • Cable flyes (4 sets of 10, 8, 8, 6 reps)
  • Dumbbell bench press (4 sets of 10, 8, 8, 6 reps)z
  • Dumbbell incline fly (4 sets of 10, 8, 8, 6 reps)

For the abs:

  • Plank (3 sets to failure)
  • Bicycle kicks (3 sets to failure)

Tuesday: Legs

The approach here is very much the same as with the chest routines, and you’ll need to have some additional weights ready to add on in between sets.

  • Front barbell squat (4 sets of 10, 8, 8, 6 reps)
  • Leg press (4 sets of 10, 8, 8, 6 reps)
  • Hack squats (4 sets of 10, 8, 8, 6 reps)
  • Quad extensions (4 sets of 10, 8, 8, 6 reps)
  • Standing calf raises (5 sets of 20, 15, 12, 10, 8 reps)
  • Lying leg curls (4 sets of 10, 8, 8, 6 reps)

Wednesday: Back & Abs

Wide-grip pull-ups

These really need to count, and it can be difficult to get the weights right to feel the burn.

Don’t underestimate your back muscles in this training routine, and make sure you maintain perfect posture throughout.

  • Seated cable rows (4 sets of 12, 10, 8, 8 reps)
  • Wide grip lat pulldowns (4 sets of 20 reps)
  • Barbell deadlift (3 sets of 10, 8, 6 reps)
  • Bent over dumbbell row (4 sets of 12, 10, 8, 8 reps)
  • Wide-grip pull-ups (4 sets of 20)

For the abs:

  • Hanging leg raises (3 sets to failure)
  • Crunches (3 sets to failure)
  • Scissor kicks (3 sets to failure)

Thursday: Shoulders

I’d suggest going slowly on these ones and maybe even hold the weight for a second or two. It’s a training method that can considerably increase the effectiveness of workouts.

  • Dumbbell shoulder press (4 sets of 10, 8, 8, 6 reps)
  • Side raise (4 sets of 8-10 reps)
  • Front raise (4 sets of 8-10 reps)
  • Barbell Shrug (4 sets of 20, 15, 12, 10 reps)
  • Dumbbell shrug (3 sets of 12, 10, and 8 reps)

Friday: Arms

Barbell Shrug

These are the glory muscles you’ll be able to show off the most. Take the opportunity to make these count by going for quality over quantity.

I know how tempting it is to grab something heavy, but aim for great form, and your bodybuilding efforts will pay off a lot sooner.

  • Dumbbell triceps extension (4 sets of 10-12 reps)
  • Incline curls (4 sets of 10-12 reps)
  • Barbell curl (4 sets of 12, 10, 8, 6 reps)
  • Preacher curl (3 sets of 8-10 reps)
  • Triceps rope extensions (4 sets of 12, 10, 8, 8 reps)
  • Incline bench skull crushers (4 sets of 10-12 reps)

Satuday & Sunday: Rest

Jeff takes the weekend off.

Resting is one of the most important things when it comes to muscle building. You need to let your body heal and repair the muscle damage.

Jeff's Diet

healthy eating

Jeff Seid is big into carb cycling to manage his body fat, which means he reduces his carb intake over a four day period. For example, he might start at 200g and then go down to 150g, 100g, and 50g.

This should work really well to prepare for bodybuilding competitions or a photoshoot.

His overall macronutrient requirements aim to limit carbs and fat and focus heavily on protein.

Here are some sample meals that would make up his day.

Meal 1:
  • Large bowl of Old Fashion Oatmeal
  • 4 egg omelet
  • Fresh fruit and berries

Meal 2: 

  • Protein shake
  • Mass gainer

Meal 3:

  • Chicken, white fish, or turkey (12+ oz)
  • Green beans, lentils, or chickpeas
  • Cup of brown rice (only in bulking phases)
Meal 4:
  • Mass gainer or real replacement
  • Protein shake or bar

Meal 5:

  • Chicken, white fish, or turkey (12+ oz)
  • Green beans, lentils, or chickpeas
  • Cup of brown rice

Meal 6:

  • Protein shake or bar

As you can see, there are very few carbs, which seems to be complimenting his workout routine. His carb cycle [1] would sometimes increase his carb intake, but in most cases, he aims to keep it to below 200g.

“Don’t expect easy, be prepared to give it your all, and you’ll be successful” - Jeff Seid.

What Supplements Does He Take?


Jeff Seid takes supplements like mass gainers, whey protein, and BCAAs.

1. Mass Gainer

When you have to hit a high-calorie count with a very specific macro split, then mass gainers can be the best way to avoid huge piles of food that make you feel sick of eating.

They usually focus on carbs and protein, and getting one to suit your macros should be a high priority. Believe me; a meal replacement shake often beats a large pile of chicken breasts.

2. Whey Protein

Whey protein should be the best way (pun fully intended) to get the full amino acid profile, and most people can tolerate it very well. It tends to absorb faster [2] and speed up exercise recovery times.

3. BCAAs

This is one of the more important sets of amino acids. And while whey does contain BCAAs, a targeted dose might make a big difference to your exercise routine.

Studies have shown that they may positively impact muscle soreness and fatigue after exercise, which is an important part of physical conditioning [3].

Is Jeff Seid's Workout Routine For You?

The thing I like most about this routine is that it can help anyone bulk up in size.

You don’t have to be looking at becoming the next winner in a certain bodybuilding category or to look like Conan the Barbarian.

But I bet that within two months, this routine combined with the diet and supplements, will make you fitter, stronger, and in the best shape possible.


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