Kaito Sawahara (@kaito.sawahara), a Japanese fitness creator from Kagawa, makes Japanese-language bodybuilding and fat-loss videos for about 54,500 subscribers with median views near 15,000. He posts roughly 6 videos a year, and his rate runs $300 to $800 per video. One distinctive detail: he is a Japan Physique champion and IFBB world championship representative.
Japanese physique champion reaches 54,500 fitness viewers with a 15,000 median
- Median views of about 15,000 per video across 348 uploads.
- Top recent video reached 251,202 views on fat loss without losing muscle.
- Estimated rate of $300 to $800 per video, about $20 to $35 CPM for long-form.
Brand fit report
Content
- Formats
- long-form tutorial, training walkthrough, nutrition explainer
- Tone
- instructive, direct
- Language
- Japanese
- On camera
- Yes, talking head
- Production
- Clean, lightly edited
- Typical length
- 8 to 20 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- fitness supplements, fitness equipment
- Affiliate links
- Yes
Recent video descriptions include Amazon affiliate links for workout and nutrition products, such as the 'Power Grip' lifting-straps video, with no sponsorship disclosures found in the last 50 videos.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Content is fitness and nutrition instruction with no flagged themes in the recent titles, such as '【減量1年目に知りたかった】筋肉を残して体脂肪だけ落とす8つのこと'.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Platforms
Benchmark score: 50 / 100
Public rule, same for everyone. How it works.
Recent videos
▶【体脂肪率20%台の人へ】10%まで◯日間でいけます！見た目の変化を全部見せます · 89k views
▶【肩幅広くしたい人見て】フィジーク日本一が教える男らしい肩幅を作る方法 · 95k views
▶【下っ腹撃退】お腹の脂肪が落ちない原因5つと落し方について · 193k viewsLast three uploads, latest 5 days ago.
フィジーク日本大会優勝・IFBB世界大会出場経験を持つ澤原魁門（かいと）が、筋肉を落とさずに体脂肪だけを落とす“本物の減量戦略”を発信しています。 このチャンネルでは主に、 • 筋トレ初心者〜中級者に向けた正しいトレーニング方法 • 減量期に有効なサプリメントの選び方と使い方 • 大会出場までの食事管理・減量・ピーキング戦略 • 実体験に基づいた筋肉を落とさず体脂肪だけを落とす減量方法 などを中心に、科学的根拠＋競技経験に裏打ちされた実用的な知識をお届けします。 筋トレを始めたばかりの方、これから大会を目指す方、もっと効率よく体を変えたい方は、ぜひチェックしてみてください。 ---------- ●かいと【筋肉日記】のプロフィール ---------- 澤原魁門（さわはら かいと） 1994年生まれ 香川県出身。 トレーニング歴14年 / 元消防士 【主な実績】 JBBF キングオブフィジーク-176 優勝🏆 JBBF オールジャパンメンズフィジーク -176 優勝🏆 IFBB 世界フィットネス選手権 日本代表🇯🇵 【保有資格】 ・JBBF公認審査員1級 ・NESTA-PFT（国際パーソナルフィットネストレーナー資格） ---------- ●SNSやブログ ---------- ブログ：https://kaitosawahara.com/ インスタ：https:
About 澤原魁門 / かいと【筋肉日記】
Kaito Sawahara (@kaito.sawahara) is a Japanese fitness creator who posts long-form bodybuilding, training and fat-loss videos in Japanese on YouTube. His channel has about 54,500 subscribers and a median of roughly 15,000 views per video, with the most recent uploads spread across several months. Per his website, he is a physique champion and a former firefighter who holds a JBBF judging license and personal-trainer certification.
The audience appears to be mostly Japanese men aged 25 to 34 who are training or cutting for physique goals. These are estimates from titles and channel data, not verified analytics. Sponsored integrations are not visible in recent uploads, though affiliate links appear in descriptions.
Brands in supplements, protein foods or home fitness equipment can book him at an estimated $300 to $800 per video. That works out to roughly $20 to $35 CPM on long-form, compared with $10 to $30 CPM for typical paid ads.
Written from 澤原魁門 / かいと【筋肉日記】's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. 澤原魁門 / かいと【筋肉日記】 can edit or remove this page at any time.
Questions about 澤原魁門
How much does Kaito Sawahara charge for a sponsored video?
Based on his median of about 15,000 views and long-form format, the estimated range is $300 to $800 per video. This is a benchmark rate, not a confirmed quote. Contact details unlock on Starbooked for $0.80.
What does Kaito Sawahara post about on YouTube?
He posts Japanese-language videos on bodybuilding training, fat loss without losing muscle, nutrition for cutting, and supplement use. Videos are typically 8 to 20 minutes long and presented on camera by Kaito himself, a Japan Physique champion.
How do I contact Kaito Sawahara for a brand deal?
Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly, so check whether his profile is boosted before reaching out.
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