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Estro I-3-C, 60 caps

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NutriKey Estro I-3-C is a potent blend of naturally occurring compounds that support healthy estrogen metabolism and promote healthy hormonal balance.

This formula includes both Indole-3-Carbinol (I-3-C) and diindolylmethane (DIM), both abundantly found in cruciferous vegetables and promote estrogen detoxification from the body. 

Estro I-3-C may:
• Support healthy estrogen metabolism
• Promote healthy hormonal balance
• Promote balanced mood and well-being


Serving Size: 1 capsule
Servings per container:60
Pill size: #1 Veggie capsule

One Capsule Supplies:

Ingredient Amount Daily Value
Indole-3-Carbinol 150 mg *
Diindolylmethane (DIM)
   (BioResponse DIM® Complex)
   [starch, diindolylmethane,
   vitamin E (as tocophersolan),
   phosphatidyl choline, silica.]
50 mg *
* Daily Value (DV) not established.  


Other Ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, vegetable magnesium stearate, silicon dioxide.

Gluten Free | Dairy Free | Non-GMO | Vegetarian | Vegan

All NutriKey brand supplements are Pharmaceutical Grade and produced in Certified GMP (cGMP) facilities. All NutriKey brand supplements meet or exceed cGMP standards and are third party tested by NSF.

*BioResponse DIM® is a proprietary, enhanced bioavailability complex containing diindolylmethane licensed from BioResponse, L.L.C., Boulder, Colorado.



Recommendations: Take one capsule up to three times daily as a dietary supplement, or as directed by your healthcare practitioner.

Caution: Do not use if you are pregnant, nursing, or may become pregnant. If taking medication, consult your healthcare practitioner before use. Harmless changes in urine color may occur while using this product. Keep out of reach of children.


Statements contained herein have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent disease.

Customer Reviews

Based on 6 reviews
Ambre M.
Excellent product

I was experiencing terrible PMS - heavy flow - and awful cramping. My period was lasting a week.It took about 3 months for this product to work but bam no pms no heavy flow and my period only lasts 3-4 days. It actually sneaks up on me now. Less night sweats too- I’m 46

Jaime J.
Great stuff

This works so well to reduce my PMS symptoms. Can't live without it!

Alison M.
Curbed my mood swings!

I’m in my 40’s and have definitely noticed a influx in my mood swings and irritability especially right before my period. I noticed a difference with my first period, no mood swings and no fatigue! Amazing!

Heather W.

Yeah but I don’t normally fill these out but I had a severe allergic reaction to this one vitamin that I ordered so I won’t be able to take it but I have been taking the the balance but too soon for me to tell anything.i’m sad I wont Be able to continue taking it since I was Hoping to use both of them together to get things back on track.

Perfect for Perimenopause

Taking this in combination with Estro-rebalance and noticed immediate difference in my first menstrual cycle. I wasn't nearly as moody or fatigued as I have been.

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