diff --git a/app/Http/Controllers/FoodController.php b/app/Http/Controllers/FoodController.php
index 176b604..20c53d2 100644
--- a/app/Http/Controllers/FoodController.php
+++ b/app/Http/Controllers/FoodController.php
@@ -2,13 +2,12 @@
 
 namespace App\Http\Controllers;
 
+use App\Http\Requests\UpdateFoodRequest;
 use App\Models\Food;
-use App\Rules\StringIsDecimalOrFraction;
 use App\Support\Number;
 use App\Support\Nutrients;
 use Illuminate\Contracts\View\View;
 use Illuminate\Http\RedirectResponse;
-use Illuminate\Http\Request;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Str;
 
@@ -35,7 +34,7 @@ class FoodController extends Controller
     /**
      * Store a newly created resource in storage.
      */
-    public function store(Request $request): RedirectResponse
+    public function store(UpdateFoodRequest $request): RedirectResponse
     {
         return $this->update($request, new Food());
     }
@@ -72,25 +71,10 @@ class FoodController extends Controller
     /**
      * Update the specified resource in storage.
      */
-    public function update(Request $request, Food $food): RedirectResponse
+    public function update(UpdateFoodRequest $request, Food $food): RedirectResponse
     {
-        $attributes = $request->validate([
-            'name' => 'required|string',
-            'detail' => 'nullable|string',
-            'brand' => 'nullable|string',
-            'source' => 'nullable|string',
-            'notes' => 'nullable|string',
-            'serving_size' => ['required', new StringIsDecimalOrFraction],
-            'serving_unit' => 'nullable|string',
-            'serving_unit_name' => 'nullable|string',
-            'serving_weight' => 'required|numeric',
-            'calories' => 'nullable|numeric',
-            'fat' => 'nullable|numeric',
-            'cholesterol' => 'nullable|numeric',
-            'sodium' => 'nullable|numeric',
-            'carbohydrates' => 'nullable|numeric',
-            'protein' => 'nullable|numeric',
-        ]);
+        $attributes = $request->validated();
+
         $attributes['serving_size'] = Number::floatFromString($attributes['serving_size']);
         $attributes['name'] = Str::lower($attributes['name']);
 
diff --git a/app/Http/Requests/UpdateFoodRequest.php b/app/Http/Requests/UpdateFoodRequest.php
new file mode 100644
index 0000000..b449a0c
--- /dev/null
+++ b/app/Http/Requests/UpdateFoodRequest.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Rules\StringIsDecimalOrFraction;
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateFoodRequest extends FormRequest
+{
+
+    /**
+     * Get the validation rules that apply to the request.
+     */
+    public function rules(): array
+    {
+        return [
+            'name' => ['required', 'string'],
+            'detail' => ['nullable', 'string'],
+            'brand' => ['nullable', 'string'],
+            'source' => ['nullable', 'string'],
+            'notes' => ['nullable', 'string'],
+            'serving_size' => ['required', new StringIsDecimalOrFraction],
+            'serving_unit' => ['nullable', 'string'],
+            'serving_unit_name' => ['nullable', 'string'],
+            'serving_weight' => ['required', 'numeric', 'min:0'],
+            'calories' => ['nullable', 'numeric', 'min:0'],
+            'fat' => ['nullable', 'numeric', 'min:0'],
+            'cholesterol' => ['nullable', 'numeric', 'min:0'],
+            'sodium' => ['nullable', 'numeric', 'min:0'],
+            'carbohydrates' => ['nullable', 'numeric', 'min:0'],
+            'protein' => ['nullable', 'numeric', 'min:0'],
+        ];
+    }
+
+}
diff --git a/resources/views/components/inputs/input.blade.php b/resources/views/components/inputs/input.blade.php
index d6d857b..df84ab1 100644
--- a/resources/views/components/inputs/input.blade.php
+++ b/resources/views/components/inputs/input.blade.php
@@ -1,3 +1,20 @@
-@props(['disabled' => false])
+@props(['disabled' => false, 'hasError' => false])
 
-<input {{ $disabled ? 'disabled' : '' }} {!! $attributes->merge(['class' => 'rounded-md shadow-sm border-gray-300 focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50']) !!}>
+@php
+    $classes = [
+        'rounded-md',
+        'shadow-sm',
+        'border-gray-300',
+        'focus:border-indigo-300',
+        'focus:ring',
+        'focus:ring-indigo-200',
+        'focus:ring-opacity-50'
+    ];
+    if ($hasError) {
+        $classes[] = 'border-red-600';
+    }
+@endphp
+
+<input
+    {{ $disabled ? 'disabled' : '' }}
+    {!! $attributes->merge(['class' => implode(' ', $classes)]) !!}>
diff --git a/resources/views/foods/edit.blade.php b/resources/views/foods/edit.blade.php
index 6045373..2f8bd06 100644
--- a/resources/views/foods/edit.blade.php
+++ b/resources/views/foods/edit.blade.php
@@ -18,7 +18,7 @@
                                     class="block mt-1 w-full"
                                     autocapitalize="none"
                                     :value="old('name', $food->name)"
-                                    required/>
+                                    :hasError="$errors->has('name')"/>
                 </div>
 
                 <!-- Detail -->
@@ -53,6 +53,7 @@
                                     class="block mt-1 w-full"
                                     size="10"
                                     :value="old('serving_size', $food->serving_size_formatted)"
+                                    :hasError="$errors->has('serving_size')"
                                     required/>
                 </div>
 
@@ -91,6 +92,7 @@
                                     class="block mt-1 w-full"
                                     size="10"
                                     :value="old('serving_weight', $food->serving_weight)"
+                                    :hasError="$errors->has('serving_weight')"
                                     required/>
                 </div>
             </div>
@@ -106,7 +108,8 @@
                                             type="number"
                                             step="any"
                                             class="block w-full mt-1 md:w-5/6"
-                                            :value="old($nutrient['value'], $food->{$nutrient['value']})"/>
+                                            :value="old($nutrient['value'], $food->{$nutrient['value']})"
+                                            :hasError="$errors->has($nutrient['value'])"/>
                         </div>
                 @endforeach
             </div>