Patented Etas formula increases HSP70 protein for natural stress response support
Streamlined ingredient profile offers affordable access to stress and sleep support
Lower price point without sacrificing key benefits
Gentle, clean-label, and third-party tested for safety and quality
Suitable for those with comT or genetic sensitivities seeking less stimulating options
Summarized by Shop
Introducing a NEW, streamlined formula of Stress Control
At Core Formulas, we believe everyone deserves access to clean, research-backed support for stress and sleep—and our new ETAS® formula makes that possible. By streamlining the ingredients, we’ve made it more affordable while keeping the powerful benefits of ETAS® front and center.
Formula 1
Original blend with phosphatidylserine and rhodiola rosea extract
Formula 2
200 mg Etas per serving (from asparagus lower stalks)
Key ingredient
Etas (HSP70 inducer) derived from asparagus
Free from
Phosphatidylserine and rhodiola rosea extract in original formula
Form
Herbal supplement
Summarized by Shop
4.8
8 ratings
5
4
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1
Amazing Company, Amazing Ingredients
Every offering has been tailored with high quality ingredients and intentional ratios. Extremely thought out in every aspect. Highly recommend to everyone!
A
AnneMarie · March 23, 2026
Core Formulas is a Trusted Brand
I’ve had excellent experience taking several products from CF. I use Daily Basics, love the protein, and how clean the protein is. I have noticed improvement from using Drainage Essentials. I used to never sweat and now I do. But my favorite is Bowel Complete.
S
samantha · August 14, 2025
Love love love the new protein powder!
I’ve tried so many of the Core Formulas products and love them all! I especially love the new protein powder. I feel so good knowing there is no stevia or monk fruit. I’ve used it in coffee, smoothies and oatmeal and it tastes subtly sweet! It will be the only protein powder I buy.