ISO-Perfect now exclusively formulated for VidalRX with the same amazing product results and ingredients formerly found under the NuEthix label.
VidalRx ISO-Defense with Immunolin (previously ISO-Perfect by NuEthix) is a fast-digesting whey protein isolate designed for anyone who wants a clean, easy-on-the-stomach protein that actually works. Each scoop delivers 24 grams of ultra-pure protein with just 110 calories, low fat, and zero added sugars—perfect for fueling recovery, supporting lean muscle, or getting more protein into your day without the bloat.
What makes it different? It’s enhanced with ImmunoLin®, a clinically studied ingredient that supports your immune system and gut health, so you feel your best whether you're recovering post-workout or simply staying on top of daily nutrition.
Mix 1 scoop (32g) in 8-12 ounces of chilled water daily, or as directed by your healthcare practitioner.
- Increased Absorption†
- Prevents Bloating†
- Easy To Digest†
- Protects Immune System From High Stress†
ImmunoLin® is a clinically studied ingredient that helps support gut lining integrity and immune health. It complements the protein by promoting better digestion and absorption.
Yes — ISO-Defense is made with whey isolate, which has virtually all lactose removed. Most people with dairy sensitivity tolerate it well, especially with the added digestive support from ImmunoLin®.
You can use it any time you need a high-quality protein boost — post-workout, between meals, or first thing in the morning to fuel your day.
ISO-Defense uses ultra-pure whey protein isolate with added ImmunoLin® for digestive and immune support.