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Fiilin
Resources · Blog

The Fiilin blog.

Our articles on sports nutrition, training, running a gym, and life behind the scenes at Fiilin.

Gym business

How to increase your gym's revenue

Recruiting, retaining, filling quiet hours, growing add-on revenue: the seven levers that genuinely move the needle on a gym's revenue, in order of impact.

5 min read
Nutrition

Creatine: dosage, timing and effects

How much creatine to take, when, with or without a loading phase, and what it actually does: what the research says, with no miracle claims and no myths.

5 min read
Nutrition

What to drink after a workout to recover well

Water, electrolyte drink, whey: what to drink after a session depending on the effort, how much and when, to recover properly and be ready for the next one.

5 min read
Gym business

How to attract new members to your gym

Trial offers, referrals, local SEO, social media and standout services: the levers that fill a gym and keep it full month after month.

3 min read
Gym business

Social media strategy for a gym

Picking your platforms, holding a posting rhythm, filming your members and measuring what converts: a workable social method for a gym.

3 min read
Training

The best fitness apps to download

Training logs, nutrition, sleep, coaching: our pick of the apps that help you progress, eat well and stay consistent over the months.

3 min read
Training

AI and sport: the revolution under way

Personalised programmes, load monitoring, injury prevention and nutrition advice: what AI is already changing for athletes today.

2 min read
Gym business

How to keep your gym members for good

First-weeks onboarding, tracking results, community life and extra services: what makes a member stay well beyond their first year.

3 min read
Gym business

Making the most of your gym's quiet hours

Off-peak hours are a fixed cost lying idle. Tiered pricing, targeted classes, specific audiences: how to turn them into real attendance.

3 min read
Gym business

How to bring your gym back to life

Events, group challenges, new services and community building: the concrete levers that give a gym its momentum back.

3 min read
Nutrition

Protein drinks and sports performance

How much protein, when to take it, and how whey, casein and plant protein differ: what a protein drink actually does for performance.

2 min read
Nutrition

BCAAs, the recovery drink

Leucine, isoleucine, valine: what BCAAs do, when to take them around a session, and what they bring to muscle recovery.

1 min read