Transformed Through Dialogue with BULK Success Stories from Real Trainees

See actual conversations between users and BULK. Discover how our AI coach supports each individual's growth journey.

BULK, my bench press isn't improving at all. I've been training for 3 months but I'm stuck at 40kg...

BULK

Yuki, it's wonderful that you've been consistent for 3 months! Looking at your data, I see you're training once a week. For beginners, 2-3 sessions per week is ideal (Schoenfeld, 2016). Also, 3 sets is on the lower side. Let's start with twice a week, 5 sets each. You can expect 5-10kg increase in a month!

Twice a week? But I'm so busy with work...

BULK

Your dedication despite being busy is truly admirable. Let me suggest a 'minimum effective dose' approach. I've created an efficient program: 2 sessions per week, 20 minutes each. Focus on bench press, squat, and deadlift with 90-second rest periods. Just 40 minutes per week for maximum results!

📈

Results after 1 month: Bench press increased from 40kg to 52.5kg! Steady progress with efficient 20-minute sessions twice a week

I've been stuck at 100kg bench for 6 months. I'm careful about diet and sleep too...

BULK

Takashi, I've analyzed your past 6 months of data. Your weekly volume of 20 sets is sufficient, but you're doing all sets at 8-10 reps. Your nervous system adaptation might be plateauing. Let's implement DUP (Daily Undulating Periodization). Monday: 3-5 reps (90%), Wednesday: 6-8 reps (80%), Friday: 10-12 reps (70%). This variation will provide new stimulus (Zourdos et al., 2016).

DUP? Never heard of it. Does it really work?

BULK

Research shows DUP produces 28% better strength gains compared to linear periodization on average. Looking at your fatigue patterns, I notice Friday performance tends to decline. Here's my proposal: Monday (high intensity) → Wednesday (medium intensity) → Saturday (low intensity, high volume) to optimize recovery. Let's aim for 105kg in 4 weeks!

🎯

Results after 6 weeks: Bench press increased from 100kg to 107.5kg! Broke through plateau with DUP and optimized recovery

I've reached 120kg squat but lately my right knee feels uncomfortable. Is my form bad?

BULK

Kenji, I see you've rapidly increased weight recently (100kg to 120kg in 3 weeks). The knee discomfort might be a sign of overload. I recommend a 2-week deload first. During this time, use box squats to maintain consistent depth and reduce knee stress. Quad flexibility is also important. I've created a specific mobility routine for you.

A deload... I was doing so well, I'm worried about going backwards

BULK

I completely understand that feeling! But research shows planned deloads can improve strength by 5-10% (Pritchard et al., 2015). It's a 'one step back, two steps forward' strategy. You can maintain neural adaptations at 70% intensity during deload. Plus, focusing on technique improvements during this period will help you safely reach 125kg, 130kg after. Avoiding injury is key to long-term growth!

Results after 4 weeks: Knee discomfort resolved! Achieved 125kg squat with improved form. Continuing steady growth with more stable movement

I want to build muscle but I'm scared of gaining weight... I don't even drink protein shakes because they might make me fat

BULK

Mika, I completely understand your concern. But here's good news! Women have only 1/10th the testosterone of men, so rapid muscle gain won't happen. Proper strength training actually increases metabolism and creates a toned physique. Based on your training data, consuming 1.6g protein per kg bodyweight will help you build muscle without fat gain (Morton et al., 2018).

But what if the number on the scale goes up...

BULK

Let's focus on 'body composition' not just weight! 1kg of muscle and 1kg of fat look completely different. In fact, if you gain 2kg muscle and lose 1kg fat, you'll weigh 1kg more but have a smaller waist. I suggest weekly weight checks and monthly measurements (waist, hips, thighs). Also, progress photos. The mirror shows more than numbers! Your goal is an 'ideal physique' not just 'light weight', right?

💪

Results after 3 months: Weight +1.5kg, Waist -3cm! Increased metabolism through muscle gain. Achieving ideal toned body shape

87%
3-Month Retention Rate
Dialogue support prevents dropouts
92%
Goal Achievement Rate
Personalized optimization ensures growth
4.8
Satisfaction (out of 5)
Trust in scientific evidence

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I was self-taught before, but BULK helped me understand 'why' for the first time. The evidence-based approach makes me confident in my training

Male, 30s 3 years training experience
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The 5-second recording is amazing! Previous apps were tedious, but with BULK it's natural. And it gives accurate advice from those brief records

Female, 20s Beginner
⭐⭐⭐⭐⭐

When I was stuck, BULK analyzed my past data to find the cause. I was skeptical about DUP, but it worked perfectly!

Male, 40s Advanced trainee

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