Anyone prioritizing third-party tested peptides?

With the help of this post i would like to find Anyone prioritizing third party tested peptides. I have ordered some products from a supplier which is highly recommended but the results were pretty inconsistent. there was barely any information about purity or batch testing. products delivered by such suppliers are low quality products that affect human health. is there anyone recommending a trusted supplier? i would really appreciate any recommendations for suppliers that consistently deliver on quality and transparency.