By Alex Rogers, President of Protein Factory

Most consumers have no idea how critical the drying method is when it comes to the potency of their supplements. And frankly, most supplement companies don’t want you to know.

When we’re talking about pre-workout beetroot powders—products marketed for nitric oxide, endurance, pumps, circulation support, and cardiovascular benefits—the number-one factor that determines how effective the supplement will be is not the flavor… not the color… not the marketing…

It’s how the beetroot was dried.

This one detail determines how much of the beetroot’s nitrates, antioxidants, betalains, polyphenols, and heat-sensitive nutrients survive.

At Protein Factory, we use infrared drying to make Tectanic Red—an advanced technology that science shows preserves far more nutrients than conventional spray-drying. This article covers why IR drying is superior, what the research shows, and why it matters for athletes looking for real results.

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What Is Infrared Drying?

Infrared drying (IR drying) uses targeted electromagnetic radiation to remove moisture without excessive heat exposure. Unlike hot-air or spray drying—which blast the material with high temperatures—IR drying penetrates deeper with less surface damage.

Because of this, IR drying reduces nutrient degradation and preserves the bioactive compounds that matter most.

Scientific advantages of infrared drying include:

✔ Lower temperature stress
✔ Faster moisture removal
✔ More uniform heat distribution
✔ Better retention of antioxidants & polyphenols
✔ Less structural and chemical damage
✔ Better preservation of color and flavor compounds

These benefits are supported across multiple peer-reviewed papers.

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What The Research Says About Infrared Drying

1. IR drying preserves more phenolics, antioxidants, and vitamins

A 2024 review published in Applied Sciences examined emerging drying technologies and concluded that infrared drying consistently outperforms conventional methods in nutrient retention, including:

• Total phenolic content
• Antioxidant capacity
• Vitamin stability
• Flavonoid integrity
• Bioactive profile preservation

Reference:
MDPI – “Emerging Food Drying Technologies and Their Impact on Quality” (2024)

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2. IR drying maintains more bioactivity compared to hot-air and spray-drying

A study analyzing infrared-dried mango pulp found that IR drying retained:

• ~60% of total phenolics
• ~71% of reducing sugars
• ~65% of total antioxidant activity

These numbers significantly exceed the nutrient retention levels typically seen in high-heat spray-drying.

Reference:
Journal of Food Science & Technology – “Effect of Infrared Drying on Mango Pulp Bioactives”

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3. IR drying reduces thermal degradation and protects heat-sensitive nutrients

Spray-drying and hot-air drying create high thermal stress, frequently destroying:

• Vitamin C
• Betalains
• Polyphenols
• Nitrates
• Enzymes
• Aromatic compounds

IR drying avoids the high-temperature spikes responsible for this degradation.

Reference:
ScienceDirect – “Infrared Drying: Mechanisms and Applications in Food Processing”

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4. IR drying produces cleaner, more stable functional food powders

A study in Frontiers in Sustainable Food Systems found that IR-dried powders maintain chemical quality with better:

• Stability
• Functional characteristics
• Antioxidant potency
• Pigment retention

This is especially important for beetroot, whose betalains and nitrates degrade under heat.

Reference:
Frontiers – “Emerging Drying Technologies and Food Quality Outcomes”

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The Problems With Spray-Drying

Spray-drying is fast, cheap, and scalable—three reasons the supplement industry loves it.

But scientifically, it comes with serious drawbacks:

High temperatures destroy bioactive compounds

Spray-drying often uses temperatures between 150–220°C (300–425°F), which:

• Degrades nitrates
• Destroys vitamin C
• Damages polyphenols
• Breaks down antioxidants
• Reduces betalain concentration

Leads to weaker nitric oxide support

Since nitrates are heat-sensitive, a spray-dried beetroot powder is often significantly lower in nitric oxide–boosting potential.

Often requires fillers like maltodextrin

Spray-drying doesn’t work well unless companies add carriers such as maltodextrin—which lowers purity and increases carbohydrate load.

Reduces flavor, color, and natural potency

High heat leads to pigment breakdown, meaning many companies must use added colors or flavorings.

Reference:
PMC – “Impact of Spray-Drying on Bioactive Compound Retention in Functional Foods” (2023)

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Why Infrared Drying Makes Tectanic Red Superior

Tectanic Red is made using infrared drying—NOT spray drying.
This means it maintains far more:

• Natural nitrates for nitric oxide production
• Betalains for antioxidant and anti-inflammatory benefits
• Polyphenols and flavonoids
• Natural color pigments
• Heat-sensitive nutrients

This makes Tectanic Red not only cleaner—but more potent.

Athletes benefit from:

✔ Better blood flow
✔ Improved pumps
✔ Greater oxygen efficiency
✔ Better endurance
✔ Faster nutrient delivery
✔ Cleaner pre-workout energy (non-stim)
✔ Higher antioxidant power

In other words, IR drying helps Tectanic Red deliver real performance, not just color and flavor.

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Why Most Brands Don’t Use Infrared Drying

Simple:
It costs more.

Spray-drying is the cheapest, fastest industrial method for making powders. Most companies pick what pads their profit margin, not what preserves nutrient integrity.

Protein Factory doesn’t do that.

We will always spend more on manufacturing if it means delivering a superior, truly effective product to our customers.

Infrared drying is the future of functional supplements—and we’re already there.

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Final Thoughts: The Drying Method Determines the Power of Your Beetroot Supplement

If you’re taking a beetroot supplement for nitric oxide, endurance, circulation, or pumps, the drying method is everything.

Spray-drying gives you:

• Weaker potency
• Lower nitrate levels
• Fewer antioxidants
• Damaged polyphenols
• Less performance

Infrared drying gives you:

• Higher bioactive preservation
• Greater nitrate stability
• Superior antioxidant capacity
• Clean, potent powder with no carriers

That’s why Tectanic Red stands out.
It’s not just another beetroot powder—it’s engineered with a superior scientific process proven to preserve the compounds that drive performance.

When you care about real results, you choose IR drying.

When you want real performance, you choose Tectanic Red.

Tectanic Red – Pre Workout Powder