Kids Nutrition Reviews

I Spent Over $500 Testing The 6 Most Popular Height Supplements For Kids. 

Here's How They Ranked...

By Dr. Sarah Mitchell - Pediatriction

Last Updated Mar 13. 2025 • 7 Min Read

This Industry Has A Big Problem....

As a pediatric nutritionist, the number one question I get from parents is simple: "Which height supplement should I give my child?"

 

For years I had an answer, but after seeing the same frustrated parents come back to me month after month with zero results, I decided to stop guessing and actually find out for myself.

 

I spent over $500 purchasing and testing the six most popular height supplements for kids on the market. I looked at every label. I cross-referenced every ingredient against the clinical research. I looked at ingredient forms, clinical dosing, growth hormone support, calcium absorption, and deep sleep activation.

 

What I found surprised me. Most of these products have no business being marketed to parents as growth supplements, and by the time you finish reading this, you'll understand exactly why.

#6 Flintstones Complete Gummies 
Rating - ★☆☆☆☆ (1.0/5)

Flintstones has been in medicine cabinets for decades. Almost every parent I speak to has either given their child Flintstones or grown up taking them themselves.

 

But here's the problem. Flintstones is a general multivitamin - it was never designed to support height growth. 

 

Giving your child Flintstones and expecting height support is like filling your car with water and expecting it to run. The intent is right. The product is wrong.

 

What it's missing:

  • Amino acids for growth hormone signaling
  • K2 for calcium direction to bones
  • Clinically dosed ashwagandha
  • Any system that actually supports growth

Verdict: A fine general multivitamin. A terrible height supplement. If this is what your child is taking for growth support, they are getting almost nothing that the research says actually matters.

#5 Pure Health MAX Heightener 
Rating - ★★☆☆☆ (2.1/5)

Pure Health MAX markets itself aggressively - "Viral on TikTok" is literally printed on the label. Parents see it and assume popularity equals quality. It doesn't.

 

And here's something worth noting - Pure Health MAX and the next brand share nearly identical packaging and ingredient profiles. That's a telltale sign of white label manufacturing. Two different brand names, same formula, same corners cut.

 

TikTok virality is a marketing strategy. It has nothing to do with whether a product actually works.

 

What it's missing:

  • D3 and K2 in correct forms
  • Clinically dosed ashwagandha
  • Meaningful amino acid dosing
  • Any original formulation

Verdict: Built for social media, not for growth. Skip it.

#4 Nourify Heightener Gummies
Rating - ★★☆☆☆ (2.4/5)

Nourify promises "2 inches taller in 90 days or it's free." That's one of the boldest claims I've seen in this space. So I looked at what's actually in the bottle to back it up.


It's a mass produced formula. Nearly identical to Pure Health MAX. Same manufacturer, different label. No original research. No proprietary formulation. Just a repackaged generic with an aggressive guarantee slapped on the front.

 

A brand confident enough to promise 2 inches in 90 days should have the science to back it up. This one is borrowing someone else's formula and hoping you never look closely enough to notice.

 

Verdict: The guarantee is the marketing. Not the science. Skip it.

#3 Nubest Tall Gummies/ Capsules
Rating - ★★★☆☆ (3.0/5)

NuBest is one of the most recognized names in this space. Unlike the last two, it has a real formulation behind it. That's worth acknowledging. But here's where it falls apart.

 

Vitamin D instead of D3. Vitamin K1 instead of K2. And their ashwagandha isn't KSM-66, it's a generic underdosed version that doesn't match the clinical research.

 

They got close. But close doesn't work when you're talking about a child's growth window.

 

What it's missing:

  • D3 and K2 in correct forms
  • Clinically dosed KSM-66 ashwagandha

Verdict: One of the better options on this list. Still not good enough.

#2 Truheight Height Gummies
Rating - ★★★☆☆ (3.2/5)

TruHeight is the most popular height supplement on the market. It's in Target, it's all over social media, and it has a pediatrician endorsement on the label. Parents trust it more than anything else in this category, and that's exactly what makes it the most disappointing.

 

It has the same problems as NuBest. Vitamin D instead of D3. Vitamin K1 instead of K2. Ashwagandha that isn't KSM-66 and isn't clinically dosed. 

 

And if that wasn't enough, TruHeight is currently facing a lawsuit over misleading claims. The brand that parents trust the most is the same brand that's being taken to court over their deceptive claims.

 

The marketing is the best in the category. The formula and the legal record don't match it.

 

What it's missing:

  • D3 and K2 in correct forms
  • Clinically dosed KSM-66 ashwagandha

Verdict: The most trusted brand in the space. And the most misleading.

#1 NOVEXA 5-in-1 Growth Gummies
Rating - ★★★★★ (4.7/5)

After testing every product on this list, Novexa is the only formula I've seen that actually matches what the clinical research says you need.

 

Everything the other brands got wrong, Novexa got right.

 

It has:

Calcium Citrate - not the cheap calcium carbonate the body barely absorbs.

Vitamin D3 and K2 - not the cheaper K1 and D forms TruHeight and NuBest use to cut costs.

L-Arginine and L-Glutamine together - the exact amino acid combination the body needs to produce growth hormone naturally.

KSM-66 Ashwagandha - the patented, clinically dosed extract used in the actual sleep trials. Not a watered down generic.

 

This is the only formula that addresses all three growth deficiencies at once - Calcium delivery, growth hormone production, and the overnight deep sleep growth window.

 

Every other brand on this list is solving part of the problem. Novexa is the only one solving all of it.

 

Verdict: The only height supplement I recommend to parents in my practice. And the only one on this list worth your money.

    Check out Novexa Here     

 Conclusion

After spending over $500 and testing every major height supplement on the market, the answer is clear.

 

Most of these brands are selling parents a dream with cheap raw materials that look right on a label but don't actually support the biological process of growth.

 My Professional  Recommendation

Novexa is the only height supplement I recommend to parents in my practice. 

 

"We tried Truheight for almost a year and saw nothing. A friend told me about Novexa and I figured why not. Six months later his pediatrician measured him at almost 2 inches taller than his last visit. I couldn't believe it." - Sarah T, basketball mom

 

"I was skeptical because we'd already wasted so much money on supplements that didn't work. But we saw more progress in the first 8 weeks on Novexa than we did in 12 months on TruHeight. Wish I'd found this sooner." - Mike R, dad of two


"Her doctor noticed at her checkup without us saying a word. Just looked at the chart and said whatever we're doing, keep doing it. That was enough for me." - Jennifer K, volleyball mom

 

Novexa backs every order with a 60 day guarantee, which is why I feel so confident recommending it, don't see a difference, don't pay!

P.S I found a page on their website that still has a 35% off sale running, I'm not sure how long it'll last so click this button.

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