GLP-1 Taking Guide · Section 04
Managing Side Effects — Evidence-Based Strategies for Nausea, Constipation, and Fatigue
00
The Clinical Case
Why resistance training on a GLP-1 is not optional
GLP-1 medications create a significant caloric deficit through appetite suppression. When the body loses weight rapidly in a caloric deficit, it doesn't draw exclusively from fat stores — it also breaks down muscle tissue for energy. This is not a side effect. It is basic physiology. And on a GLP-1, where appetite suppression can be dramatic, the rate of lean mass loss can be substantial if not actively countered.
The STEP 1 trial showed that semaglutide users lost an average of 14.9% of body weight — but up to 39% of that was lean mass. Tirzepatide trials showed similar patterns. Across all GLP-1 data, the message is consistent: rapid weight loss without resistance training accelerates muscle loss.
Metabolic protection
Muscle is your primary metabolic tissue. Every pound of muscle you preserve keeps your resting metabolic rate higher — making weight maintenance far easier after the medication phase.
Bone density
Rapid weight loss accelerates bone loss. Mechanical loading from resistance training is one of the most evidence-supported stimuli for bone preservation — particularly important for postmenopausal women on GLP-1s.
Prevents regain as fat
When patients discontinue GLP-1 medications, appetite returns. Without preserved muscle mass, weight regain is primarily fat — worsening body composition across multiple treatment cycles.
Functional independence
Muscle strength supports balance, mobility, and activities of daily living. The goal isn't aesthetics — it's preserving the physical capacity to do what matters to you for decades.
The Bottom Line
Resistance training and adequate protein are not additions to GLP-1 therapy — they are required components of it. Without them, you are losing muscle alongside fat, lowering your metabolism, and setting the stage for faster regain. This guide is about making resistance training as accessible as possible regardless of where you're starting.
01
The Framework
How often, how long, and what counts
The evidence consistently supports 2–3 resistance training sessions per week as the minimum for meaningful muscle preservation during active weight loss. More is not always better — especially on a GLP-1, where energy and appetite are suppressed. Recovery matters.
| Parameter | Minimum Effective Dose | Optimal Range | Notes |
|---|---|---|---|
| Sessions per week | 2 | 3 | Non-consecutive days preferred for recovery |
| Session duration | 20–30 min | 40–60 min | Short sessions count — don't let "not enough time" be the barrier |
| Sets per muscle group | 2 sets | 3–4 sets | Per session; muscle groups can be trained 2× per week |
| Reps per set | 8–15 | 8–12 (hypertrophy) 5–8 (strength) | Last 2–3 reps should feel genuinely challenging |
| Rest between sets | 60–90 sec | 90–180 sec | Longer rest for heavier compound movements |
What "Challenging" Means
Progressive overload — gradually increasing the challenge over time — is the stimulus for muscle growth and preservation. If the last 2–3 reps of a set feel easy, the resistance is too low. If you can't complete 8 reps with good form, it's too heavy. The sweet spot is where you finish the set but could not do many more. This applies regardless of equipment level.
02
Level 0 — No Equipment Required
Bodyweight training — where most people should start
Bodyweight training is not a compromise or a beginner-only option. It is a genuine and well-evidenced training method that can build and preserve meaningful muscle mass. The limiting factor is progressive overload — but with the right progressions, bodyweight training can challenge anyone from first-timers to advanced athletes.
If you have no equipment, limited mobility, or have never trained before: start here.
Lower Body
Squat
Quads, glutes, hamstrings
Stand with feet shoulder-width apart, toes slightly out. Lower until thighs are parallel to the floor, keeping your chest up and knees tracking over toes. Drive through your heels to stand.
Progressions →
Chair-assisted → Bodyweight squat → Pause squat → Jump squat
3 sets × 10–15 reps
Reverse Lunge
Quads, glutes, balance
Step one foot back and lower your rear knee toward the floor. Keep your front shin vertical and your torso upright. Return to standing and alternate legs. Easier on the knees than forward lunges.
Progressions →
Chair-supported → Reverse lunge → Walking lunge → Bulgarian split squat
3 sets × 8–12 reps per leg
Glute Bridge
Glutes, hamstrings, lower back
Lie on your back with knees bent and feet flat. Drive through your heels to lift your hips until your body forms a straight line from knees to shoulders. Squeeze at the top. Lower slowly.
Progressions →
Two-leg bridge → Pause bridge (3 sec hold) → Single-leg bridge → Elevated single-leg
3 sets × 12–20 reps
Step-Up
Quads, glutes, unilateral strength
Use a sturdy step, stair, or box (6–12 inches to start). Step up one foot at a time, then step back down. Keep your chest up. Focus on the working leg — don't push off the trailing foot.
Progressions →
Low step (6 in) → Standard step (12 in) → Slow eccentric step-down → Weighted step-up
3 sets × 10 reps per leg
Upper Body — Push
Push-Up
Chest, shoulders, triceps, core
Start in a plank with hands slightly wider than shoulders. Lower your chest to the floor keeping your body rigid, then press back up. The most versatile upper body bodyweight exercise.
Progressions →
Wall push-up → Incline (hands elevated) → Standard → Decline (feet elevated)
3 sets × 8–15 reps
Tricep Dip
Triceps, shoulders
Sit on the edge of a sturdy chair with hands gripping the edge. Slide off and lower yourself by bending your elbows to ~90°, then press back up. Keep elbows pointing back, not flaring out.
Progressions →
Bent knee dip → Straight leg dip → Weighted lap dip → Parallel bar dip
3 sets × 8–12 reps
Upper Body — Pull
Doorframe Row
Back, biceps, rear shoulders
Stand in a doorframe and grasp both sides at chest height. Lean back until your arms are extended and your body is at a 45° angle. Pull yourself to the doorframe by driving your elbows back. This is the best bodyweight pull without a bar.
Progressions →
More upright angle → Steeper lean-back → Pause at top (2 sec) → Single-arm variation
3 sets × 10–15 reps
Superman Hold
Lower back, posterior chain
Lie face-down with arms extended overhead. Simultaneously lift your arms, chest, and legs off the floor by squeezing your glutes and back muscles. Hold 2–3 seconds, lower, repeat.
Progressions →
Arms-only lift → Legs-only lift → Full superman → Extended hold (5–10 sec)
3 sets × 10–15 reps
Core
Plank
Core, shoulders, stability
Forearms on the floor, elbows under shoulders. Body forms a straight line from head to heels. Squeeze your abs and glutes. Breathe steadily. Quality over time — 20 solid seconds beats 60 seconds of sagging.
Progressions →
Knee plank (20 sec) → Full plank (30 sec) → Plank with reach → Side plank
3 sets × 20–45 sec holds
Dead Bug
Deep core, anti-rotation stability
Lie on your back, arms reaching toward the ceiling, knees at 90°. Slowly lower one arm overhead while extending the opposite leg toward the floor, keeping your lower back pressed into the floor. Return and alternate. Deceptively difficult.
Progressions →
Arms only → Legs only → Alternating full → Slow tempo (5-sec descent)
3 sets × 8–10 reps per side
SAMPLE
Bodyweight Full-Body Workout — 30 Minutes
2× per week, non-consecutive days. Rest 60–90 sec between sets.
Squat3 × 1290 sec
Push-Up (appropriate level)3 × 1090 sec
Glute Bridge3 × 1560 sec
Doorframe Row3 × 1290 sec
Reverse Lunge (per leg)2 × 1090 sec
Plank3 × 30 sec60 sec
03
Level 1 — ~$15–$30 Investment
Resistance bands — the most underrated training tool
Resistance bands are not a substitute for "real" equipment — they are a legitimate resistance training tool with one significant advantage: variable resistance. Unlike weights, bands increase resistance through the range of motion, which reduces joint stress at vulnerable angles while increasing the challenge where your muscles are strongest. They are also portable, inexpensive, and joint-friendly.
What to buy: A set of loop bands (also called mini bands or resistance loops) in light/medium/heavy, plus one or two long resistance bands with handles. Total cost: $15–30. This setup covers the full body.
Lower Body
Banded Squat
Quads, glutes, abductors
Place a loop band just above your knees. Stand with feet shoulder-width apart. As you squat, press your knees out against the band — don't let them cave in. This cue improves squat mechanics and adds glute activation even with bodyweight.
3 sets × 12–15 reps
Hip Thrust (Banded)
Glutes — peak activation
Sit with your upper back against a couch or bench. Place a band across your hips (hold ends for stability). Feet flat. Drive through your heels to extend your hips fully at the top. Best single exercise for glute development.
3 sets × 12–20 reps
Lateral Band Walk
Hip abductors, glutes, knee stability
Loop band just above knees or ankles. Stand with feet hip-width, slight squat. Take 10–15 steps laterally to the right, then return left. Keep tension on the band throughout — feet never fully together. Excellent for knee health.
3 sets × 15 steps per side
Romanian Deadlift (Band)
Hamstrings, glutes, lower back
Stand on the middle of a long band, holding both ends. Hinge at your hips, pushing them back while lowering the band handles along your legs. Keep your back flat. Drive your hips forward to return to standing.
3 sets × 10–15 reps
Upper Body
Banded Row
Back, biceps, rear deltoids
Sit with legs extended, loop band around your feet. Grip both ends and sit tall. Pull the band toward your lower ribs by driving your elbows back. Squeeze your shoulder blades together. Slow the return.
3 sets × 12–15 reps
Banded Chest Press
Chest, triceps, front shoulders
Anchor a long band behind you (around a door handle or post). Hold both ends and press forward at chest height, extending your arms fully. Control the return. Adjust angle for upper or lower chest emphasis.
3 sets × 12–15 reps
Banded Pull-Apart
Rear deltoids, upper back, posture
Hold a band at shoulder height with both hands, arms extended. Pull the band apart by bringing your hands out to your sides until fully extended. Squeeze your shoulder blades. Return slowly. Excellent for posture and shoulder health.
3 sets × 15–20 reps
Bicep Curl (Band)
Biceps
Stand on the middle of a band, holding one end in each hand. Curl both hands toward your shoulders, keeping your elbows pinned at your sides. Lower slowly — the eccentric (lowering) phase builds as much muscle as the lift.
3 sets × 12–15 reps
SAMPLE
Resistance Band Full-Body Workout — 35 Minutes
2–3× per week. Rest 60–90 sec between sets.
Banded Squat3 × 1590 sec
Banded Row3 × 1290 sec
Hip Thrust (banded)3 × 1560 sec
Banded Chest Press3 × 1290 sec
Romanian Deadlift3 × 1290 sec
Banded Pull-Apart3 × 2045 sec
Lateral Band Walk2 × 15/side60 sec
04
Level 2 — Home Dumbbells
Dumbbell training at home — the most efficient home setup
A pair of adjustable dumbbells (or 2–3 fixed pairs in different weights) is the most effective resistance training investment for home use. Dumbbells allow for true progressive overload — adding weight as you get stronger — which is the core principle of long-term muscle preservation. A light pair (5–10 lb), medium pair (15–25 lb), and heavy pair (30–40 lb) covers most people for years.
Adjustable dumbbells (Bowflex, PowerBlocks) run $200–400 and replace an entire rack. Fixed pairs can be assembled gradually. Either works.
Lower Body
Goblet Squat
Quads, glutes, core stability
Hold one dumbbell vertically at your chest with both hands (like a goblet). Squat with feet shoulder-width, elbows tracking inside knees. The counterweight improves balance and allows more depth than bodyweight squats for many people.
3 sets × 10–15 reps
Romanian Deadlift
Hamstrings, glutes, lower back
Hold dumbbells in front of you, feet hip-width. Hinge at the hips — not the waist — pushing them back while lowering the weights along your legs. Stop when you feel a strong stretch in your hamstrings. Drive hips forward to return. One of the most important exercises for GLP-1 users.
3 sets × 10–12 reps
Dumbbell Hip Thrust
Glutes — peak contraction
Upper back against a bench or couch, dumbbell on your hips. Feet flat. Drive through heels to extend your hips fully, squeezing your glutes hard at the top. Hold 1–2 sec. Lower slowly. Heaviest exercise for the glutes.
3 sets × 10–15 reps
Walking Lunge
Quads, glutes, balance, coordination
Hold a dumbbell in each hand. Step forward into a lunge, lower your rear knee, then bring your back foot forward to stand — then immediately step forward again with the other leg. A 10-rep walking lunge (5 per leg) is a complete lower body challenge.
3 sets × 10 steps (5/leg)
Upper Body — Push
Dumbbell Bench Press
Chest, triceps, front deltoids
Lie on your back on the floor or a bench, dumbbells at chest level. Press to full arm extension, then lower slowly to just below chest level. Floor press (lying flat) is equally effective and safer without a spotter.
3 sets × 10–12 reps
Overhead Press
Shoulders, triceps, upper back
Stand or sit with dumbbells at shoulder height, palms facing forward. Press overhead until arms are fully extended, then lower slowly. Keep your core braced — don't arch your lower back. Most important shoulder exercise for functional overhead strength.
3 sets × 10–12 reps
Upper Body — Pull
Single-Arm Dumbbell Row
Lats, mid-back, biceps
Place one hand and knee on a bench for support. Hold a dumbbell in the other hand. Let it hang down, then pull it up toward your hip by driving your elbow back and up. Best single dumbbell back exercise.
3 sets × 10–12 reps per side
Dumbbell Bicep Curl
Biceps, forearms
Stand with dumbbells at your sides, palms facing forward. Curl both (or alternating) up to shoulder height, keeping elbows pinned. Lower slowly. Add a 2-sec pause at the top for increased difficulty without heavier weight.
3 sets × 10–15 reps
Bent-Over Rear Delt Fly
Rear deltoids, upper back, posture
Hinge forward at the hips (flat back), light dumbbells hanging down. Raise both arms out to the sides until parallel to the floor, squeezing your shoulder blades. Use lighter weight than you think — these muscles are small and this is often done with ego weight.
3 sets × 12–15 reps
SAMPLE
Dumbbell Upper / Lower Split — 3 Days/Week
Monday: Upper · Wednesday: Lower · Friday: Full Body. Rest 90 sec between sets.
MONDAY — Upper
Dumbbell Bench Press (or Floor Press)3 × 1090 sec
Single-Arm Row3 × 10/side90 sec
Overhead Press3 × 1090 sec
Bicep Curl3 × 1260 sec
Rear Delt Fly3 × 1560 sec
WEDNESDAY — Lower
Goblet Squat3 × 1290 sec
Romanian Deadlift3 × 1090 sec
Dumbbell Hip Thrust3 × 1290 sec
Walking Lunge2 × 10 steps90 sec
Dead Bug3 × 8/side60 sec
05
Level 3 — Gym Access
Gym equipment — machines, cables, and free weights
A gym provides access to heavier loads, cable machines (which offer constant tension through the full range of motion), and specialized equipment that allows greater overload over time. If you have gym access, the priority is compound movements — exercises that work multiple large muscle groups simultaneously — because they provide the most muscle preservation stimulus per unit of time.
Machines are not inferior to free weights for muscle preservation. For GLP-1 users who are newer to training, machines often allow better focus on the target muscle with lower injury risk. Both have a place.
Compound Movements First — The Foundation
Compound
Leg Press
Quads, glutes, hamstrings
Best machine for lower body overload with lower injury risk than barbell squats. Feet high and wide targets glutes and hamstrings. Feet low and narrow emphasizes quads. Start with a moderate load — 3 sets of 10–15 reps with the last 2 feeling genuinely hard.
3–4 sets × 10–15 reps
Compound
Lat Pulldown
Lats, biceps, upper back
Cable machine pull to the chest. The most accessible back-dominant compound exercise for beginners who can't yet do pull-ups. Use a full grip, pull the bar to your upper chest, lean back slightly. Slow the return — your lats are working on the way up too.
3–4 sets × 10–12 reps
Compound
Chest Press Machine / Barbell Bench
Chest, triceps, front shoulders
Machine chest press is ideal for beginners — no balance required, easy to control load. Barbell bench press is the gold standard for upper body strength but requires more technique. Both are effective for muscle preservation on GLP-1.
3–4 sets × 8–12 reps
Compound
Hip Thrust Machine / Barbell
Glutes — highest activation
Many gyms now have dedicated hip thrust machines. If not, barbell hip thrust on the floor or bench allows the heaviest loading. The glutes are the largest muscle group in the body — heavy hip thrusts are one of the most metabolically valuable exercises for GLP-1 users.
3–4 sets × 10–15 reps
Compound
Cable Row / Seated Row Machine
Mid-back, lats, biceps
Seated row with cable (using various handle attachments) provides constant tension and excellent range of motion. Drive elbows back and squeeze shoulder blades at the end point. One of the best back-building movements for any level.
3–4 sets × 10–12 reps
Compound
Deadlift (Romanian or Conventional)
Posterior chain — hamstrings, glutes, back
The most compound movement in existence. Romanian deadlift (hinge movement, weight doesn't touch floor) is easier to learn and lower back-friendly. Conventional deadlift (weight from floor) builds full-body strength unmatched by any other exercise. Both require technique — consider one session with a trainer if new.
3 sets × 8–10 reps (moderate weight)
On Free Weights vs. Machines
Both build muscle effectively. Free weights require more stabilizer activation and are more transferable to real-world movements. Machines allow higher loads with less technique and lower injury risk. The best recommendation: use compound free weight movements for the primary lifts, machines for accessory work. For GLP-1 users newer to training, starting predominantly on machines is completely appropriate — the goal is progressive resistance, and machines provide that with less barrier to entry.
SAMPLE
Gym Upper / Lower Split — 3 Days/Week
Monday: Upper · Wednesday: Lower · Friday: Full Body. Rest 90–120 sec between sets.
MONDAY — Upper
Barbell or Machine Bench Press4 × 8–102 min
Cable Row or Seated Row Machine4 × 1090 sec
Dumbbell Overhead Press3 × 1090 sec
Lat Pulldown3 × 1290 sec
Cable Tricep Pushdown3 × 1260 sec
Cable Bicep Curl3 × 1260 sec
WEDNESDAY — Lower
Romanian Deadlift4 × 8–102 min
Leg Press4 × 122 min
Hip Thrust (machine or barbell)3 × 1290 sec
Leg Curl Machine3 × 1290 sec
Calf Raise3 × 1560 sec
Plank or Ab Wheel3 × 30 sec60 sec
06
The Most Important Principle
Progressive overload — the only way training actually works
Your muscles adapt to a given stimulus within a few weeks. Once they've adapted, the same workout no longer provides the same muscle-preservation signal. Progressive overload means consistently increasing the challenge over time — and it is the fundamental mechanism through which resistance training produces results.
You do not need to add weight every session. Progress looks different depending on your level and equipment.
01
Add reps
If you're doing 3 × 10 and can comfortably do 12–14 on the last set, increase reps across all sets before adding weight.
10 → 12 → 15 reps, then increase weight and return to 10
02
Add weight
When you can complete all sets at the top of your rep range with solid form, increase the load. For dumbbells: 5 lb at a time. For bands: next resistance level. For gym: 5–10 lb.
3 × 15 → add 5 lb → 3 × 10 (then build back to 15)
03
Add a set
Progress from 2 to 3 sets, or 3 to 4 sets before adding weight. Total volume (sets × reps × weight) matters — more sets provide more stimulus even at the same weight.
2 sets → 3 sets at the same weight and reps
04
Slow the tempo
Lowering weight more slowly (3–5 seconds on the descent) dramatically increases muscle tension without adding weight. Especially useful for bodyweight and band training with limited equipment options.
Standard squat → 3-second-descent squat → same difficulty with less weight
05
Progress the exercise
Moving to a harder variation — wall push-up → incline push-up → standard push-up — is a form of progressive overload. Each step increases the demand on the muscle.
Bodyweight squat → pause squat → Bulgarian split squat → goblet squat
06
Reduce rest time
Shortening rest periods increases metabolic stress and cardiovascular demand. Use cautiously — adequate rest (90+ sec) is important for compound movements where you need to lift heavy.
90 sec rest → 75 sec rest at the same load and reps
On GLP-1 and Training Capacity
Many GLP-1 users notice reduced energy and exercise capacity, particularly in the first weeks of a dose increase. This is largely a fueling problem: suppressed appetite means less carbohydrate intake, which is the primary fuel source for resistance training. Eating a small carbohydrate + protein meal or snack 1–2 hours before training makes a measurable difference in performance — even if appetite is low. A protein shake with a banana, or Greek yogurt with berries, is a practical example. Don't try to train on empty on a GLP-1.
07
Practical Adjustments
Training when you're not feeling your best
GLP-1 side effects — nausea, fatigue, GI symptoms — are real and can interfere with training, particularly in the 24–48 hours after injection or during dose increases. There's a spectrum of reasonable responses, and skipping training entirely is rarely the right one.
Feeling well
Full planned session
Follow your program as planned. This is the standard. Push for progressive overload.
Low energy / mild nausea
Modified session
Reduce session by 30%. Skip the heavy compound lifts — do accessory work only. A 20-minute session at lower intensity still provides a muscle preservation stimulus.
Significant GI symptoms
Bodyweight only
Skip equipment-based training. 15–20 minutes of bodyweight squats, glute bridges, and planks counts. Movement helps GI motility. Getting horizontal and staying active is better than total rest.
Unable to train
Rest + walk
Persistent vomiting, inability to keep fluids down, or severe fatigue are rest days. A 15-minute walk around the block still maintains circulation and mood. One missed session doesn't matter. A pattern of missed sessions does.
The injection timing strategy mentioned in the GLP-1 taking guide applies here too: if nausea peaks in the 24 hours after your injection, consider timing injections on an evening before a rest day. This allows the worst of the side effects to pass before your next scheduled training session.
The Non-Negotiable
Protein intake is the one variable that doesn't get modified on hard days. Even if training is reduced, even if you're nauseous, the muscle preservation signal from adequate protein happens at rest too — it's not only training-dependent. On your worst days: prioritize protein above calories, carbs, or fat. A protein shake takes 30 seconds and 150 calories — it matters.