A Higher Standard of Nutrition

With naturally balanced protein, healthy fats, essential calcium, and nutrients that support immune and digestive health, Grubhera’s BSFL provides a cleaner, more complete way to nourish backyard chickens.

Give your chickens better nutrition — see the full product details.

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THE MAIN FEATURES

Trusted Nutrition Backed by Nature

Balanced Natural Protein

Complete, nutrient-rich BSFL with the ideal balance of protein, fats, and calcium for daily health.

Supports Immunity & Digestion

Naturally promotes gut health and strengthens the immune system for stronger, more resilient chickens.

Better Eggs, Every Day

Helps improve laying performance and supports stronger, healthier eggshells.

Let’s feed your flock with natural, balanced nutrition they can truly thrive on.

We asked our customers how Fermorin BSFL has improved their chickens’ health

99%

0%

Report their chickens love eating Fermorin BSFL

88%

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Notice increased laying and stronger, harder eggshells

65%

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See visibly improved feather condition and appearance

65%

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Observe more active, energetic, and healthier chickens

Loved by Chicken Keepers Everywhere

From backyard families to poultry experts, Fermorin has earned praise across social media — with customers and KOLs alike sharing their remarkable results.

Chickens have seen:

Chickens have seen:

Stronger, healthier eggshells
A nutrient-rich BSFL diet provides natural calcium and digestible protein, helping hens lay firmer, more resilient eggs.

Better digestion, happier guts
BSFL supports gut balance and smooth digestion, which helps chickens absorb nutrients more efficiently and stay comfortable every day.

Brighter feathers, more energy
With natural fats and amino acids, Grubhera BSFL promotes shiny, fuller feathers — and a more active, lively flock.

USDA-Certified / Humanely-harvested / Sustainably-sourced ingredients / No BPAs / No preservatives / Grain-free / Protein rich

Loved by Chickens, Trusted by Owners 🐓

They LOVE it! 🐓

⭐️⭐️⭐️⭐️⭐️ My girls go crazy for these! They run over the moment they hear the bag. I’ve noticed stronger eggshells and much better laying since adding Grubhera to their diet.

— Diane W.

Stronger eggs already! 🥚

⭐️⭐️⭐️⭐️⭐️ Within just a couple of weeks, their eggshells became noticeably harder and healthier. This is now a must-have treat for my flock.

— Mark

A simple change with great results

⭐️⭐️⭐️⭐️⭐️ I’ve been raising chickens for 20+ years, and this is one of the best supplements I’ve tried. More consistent laying and healthier-looking birds.

—Jerry