eatvio-infra/database/seeders/ProductNutritionalSeeder.php

<?php

namespace Database\Seeders;

use App\Models\ProductGroup;
use App\Models\ProductNutritionalValue;
use App\Models\User;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;

class ProductNutritionalSeeder extends Seeder
{
    public function run(): void
    {
        $products = ProductNutritionalValue::factory()->count(5)->make();

        $products->each(
            function ($product) {
               $product->product_group()->associate(ProductGroup::factory()->create());
               return $product->saveOrFail();
            }
        );
    }
}