The Science
Behind of SHIYDF

Made with 100% drug-free vitamins, minerals,
and natural ingredients backed by science

Quality Ingredients
Without Any Nonsense.

We’re relentless about sourcing vitamins, minerals, and natural ingredients that are well
researched, standardized, and bioavailable because our priority is your height and well-being, supported by science.

Here are just a few of the ingredients of SHIYDF:

Standards you can trust.

Choosing what you use to support your height growth matters. Our height enhancement products undergo rigorous testing throughout development and manufacturing to ensure their efficacy, purity, potency, and superior quality.

Science In SHIYDF

We source premium height extensions and verify their quality by ensuring they are tested for proper identification, strength, and purity

We test the final products for quality assurance, including microbiological safety and the absence of heavy metals. This rigorous process is reviewed by our Quality Assurance team to ensure all established standards are met.

Testing is conducted both at our manufacturers' in-house laboratory and a third-party ISO/IEC 17025:2017 certified laboratory.

WORKING
PRINCIPLE

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Dosage and Frequency

For Individuals
Under 40 Years of Age

Morning (Before Breakfast)

Take SHIYDF on an empty stomach. This helps with better absorption and effectiveness.

Night (Before Sleep)

Take SHIYDF on a full stomach. This timing aids in maximizing the product’s benefits.

For Individuals
Over 40 Years of Age

Morning (Before Breakfast)

Take SHIYDF in the morning to start your day with a boost tailored for your age group.

Night (Before Sleep)

Take SHIYDF between 8-11 PM to address the specific needs of individuals over 40, optimizing effectiveness.

It doesn't stop at clinical trials.

Explore more published research on height growth.

Customer Reviews

Our customers praise us for our great results, personable service, expert knowledge and on-time delivery. Here are what they say:

I can confirm these work! How am I so certain you ask – these vitamins make my height faster, everywhere!

- Carlos F

These vitamins are amazing! I can’t thank shiydf enough for changing my life.

- Marta E.
4.7
4.7 out of 5 stars (based on 117 reviews)
Excellent71%
Very good27%
Average2%
Poor0%
Terrible0%