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The formulas customers swear by.
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Customer reviews
Real people, real reviews

… They don't have much of a taste,and they are very easy to swallow,even for those of us with difficulty swallowing pills. … Fast shipping. Quality products.

Great quality. Have been buying from them for over 16 years

Great product been using it for four months now thank you fast shipping

… These products also have a dedicated shelf in my kitchen. To anyone familiar with NYC living and the shortage of space, you KNOW how much I love them!

Great customer service and affordable products!

Fast delivery and personal note from the doctor was a nice touch. Hoping for the best results.

I love doctor CC oh, I think she is one of the best doctors in California... She has so much knowledge about all kinds of different herbs... I highly recommend her...

LOVE LOVE LOVE IT! I’ll take it during the day if super stressed and it doesn’t make me sleepy but also helps with sleep at night somehow

Quality product developed by a caring and knowledgeable herbalist

Only source I could find for an oil free version of Flaxseed. No gallblader means oil based supplements dont assimilate. Excellent product.

… I have purchased multiple supplements from this company and have zero complaints. … I would give 10 stars if it were an option.

Shipping time is great and very pocket friendly … I will definitely shop more so you should too!!!

Does exactly what’s described in the supplement! Gave me energy naturally & keeps me active throughout the day! Would order again in the future! ❤️

Does exactly what’s described in the supplement! Felt the improvement from day one! Would order again in the future! ❤️

Delivery was great.. been taking them a week no side effects and experiencing slight boost in energy

… I am in Florida on the other side of the country and I got my package in 2 or 3 days! Highly recommended.

… Their prices are so reasonable the shipping is fast and I love the clean, fresh and natural look of their supplements.

Dr. CC is the best! … her supplements are top notch... not to mention, they're actually affordable!

Dr CC is a wealth of information backed by research. … Ordering online from her website is easy and the product gets arrives quickly.

I have been going to Dr. CC for several years now … I will always go to Dr. CC for advise and my supplements!

Our family is very happy with the quality of supplements provided by CC for the past 3 years.

… She takes her time with you and I never feel rushed. … I get my stuff within a day.

… they’re the cleanest vitamins I’ve ever found. … She is legit and very sweet

Our family has used Signature Supplements for years and we have been very pleased with all the products we have purchased. … customers for life!

Dr.CC has been so helpful with all my questions. Easy shopping site and fast delivery.

We loved our hair test experience and we learned a ton. 100% recommended and will definitely be buying more supplements here

I have received my herbs and I love them I will be back as soon as possible, Thanks so much for good happy herbs.

Best Berberine in the market for the money! Have tried many others six times the price and not has the results I’ve had with this!

This is a great product. … signature makes the product easy to find, affordable and quick shipping. I will continue your order from this company.

I have taken a variety of these supplements recommended by Dr C.C. They are well priced …
Who are you shopping for?
Your results will be tailored to your answer.
How has your body been feeling lately?
Choose the one that feels most true, even on a hard week.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
If your body could ask for one thing, what would it be?
Go with your gut. This is the question that matters most.
One last thing: how long has this been going on?
Almost there. This helps us fine-tune your results.
Your results
Here’s where we’d start
These formulas fit what you told us. Each product page lists every ingredient and any notes to read before you start.
How we formulate
Natural formulas, thoughtfully made.
Each of our formulas starts with a real need, not a trend. Dr. CC, PhD, formulated every one.
Made in USA.
Our formulas are made here, from quality, ethically sourced ingredients.
Every ingredient has a job.
Herbs, vitamins, minerals and more, each chosen for the role it plays.
No harmful fillers.
And none we don't need: no synthetic silicon dioxide, magnesium stearate, talc or artificial colors.
Our standards
What’s in the bottle, and what isn’t
Find the Other Ingredients line on any supplement and ask what each one is there for. Here’s how our capsule labels compare with many mass-market brands.
