Learn · Knowledge library

Understand before you decide.

Six Healthtek guides to reading health technology clearly — evidence, sources and comparison.

The guides

  1. How to Evaluate a Health & Wellness Product Read guide
  2. How to Read Product Specifications Read guide
  3. What Does "Evidence" Actually Mean? Read guide
  4. How to Compare Health & Wellness DevicesRead guide
  5. Understanding Consumer ReviewsRead guide
  6. Using Health Technology ResponsiblyRead guide

Guide 01 of 6

How to Evaluate a Health & Wellness Product

Choosing a health or wellness product is not simply about finding the product with the longest list of features.

A better approach is to start with your own need and then ask whether a product's characteristics are relevant to that need.

Start with the problem you are trying to solve

Describe what you are looking for in ordinary language.

For example, you might be looking for something related to monitoring, recovery, mobility, sleep or another wellness need.

The clearer the need, the easier it becomes to identify the types of products that may be relevant.

Look at what the product actually is

Before considering claims about what a product can do, establish the basics:

  • What type of product is it?
  • What is it designed to do?
  • What features does it have?
  • What measurements or functions does it provide?
  • Who is the product intended for?
  • Are there important limitations or conditions of use?

Separate facts from claims

A specification is not the same thing as evidence.

A manufacturer may provide information about a product's construction, functions or technical specifications. That information can be useful, but it does not automatically establish that the product produces a particular health outcome.

Look for the underlying source of important claims and consider the quality and relevance of the evidence.

Consider whether the product fits your situation

A product can be technically impressive and still be unsuitable for a particular person or purpose.

Consider practical factors such as:

  • ease of use
  • size and portability
  • compatibility
  • maintenance
  • required accessories
  • operating requirements
  • available measurements or functions
  • whether the product is appropriate for your intended use

Compare before deciding

There is rarely a single feature that determines whether a product is right for everyone.

Use Healthtek to discover relevant products, examine their available information and compare them side by side.

Healthtek's role is to help you understand and compare information. The decision remains yours.

Guide 02 of 6

How to Read Product Specifications

Product specifications describe measurable or identifiable characteristics of a product.

They can be extremely useful when comparing products, but they need to be interpreted in context.

What specifications can tell you

Depending on the product, specifications may include things such as:

  • dimensions
  • weight
  • power requirements
  • connectivity
  • operating modes
  • measurement ranges
  • measurement units
  • materials
  • compatibility
  • included components

The relevant specifications depend on the type of product.

A specification is not automatically a health claim

Consider the difference between:

"The device measures X."

and:

"The device improves X."

The first may be a description of a product function. The second is a claim about an outcome and requires appropriate supporting evidence.

This distinction is important when evaluating health and wellness technology.

Look for the source

Ask where the specification came from.

Possible sources include:

  • manufacturer documentation
  • technical documentation
  • regulatory information
  • independent testing
  • published research

A source should be identified rather than leaving the visitor to guess where information originated.

Compare like with like

When comparing products, make sure you are comparing equivalent specifications.

Different products may use different units, terminology or measurement methods. A larger number is not necessarily a better number.

Don't let specifications make the decision for you

Specifications help describe a product. They do not tell you everything about usability, suitability or real-world experience.

Use specifications as one part of the decision-making process, alongside evidence, practical considerations and your own requirements.

Guide 03 of 6

What Does "Evidence" Actually Mean?

The word "evidence" is used frequently in health and wellness information, but not all evidence answers the same question.

Start by asking: evidence of what?

A source might provide evidence about:

  • what a product contains
  • how a product works technically
  • how accurately something can be measured
  • how people use a product
  • an association between two factors
  • whether an intervention produces a particular outcome

These are different questions.

Evidence needs to be considered in relation to the specific claim being made.

Sources matter

Health information may come from many different sources.

For example:

  • scientific research
  • clinical studies
  • systematic reviews
  • professional or government organisations
  • manufacturer documentation
  • technical testing
  • consumer reports

A manufacturer's information can be useful for understanding its own product, but it should not automatically be treated as independent clinical evidence.

More evidence does not automatically mean stronger evidence

The number of sources is only one consideration.

Other questions include:

  • Is the source relevant to the claim?
  • Is the evidence independent?
  • What type of study was conducted?
  • How large was the study?
  • Does the evidence apply to this particular product or only to a broader category?
  • Are there important limitations?

Evidence can have limits

Good evidence does not necessarily mean that every question has been answered.

Research can be limited by study design, sample size, population, duration or other factors.

Healthtek therefore aims to distinguish between what is documented, what is supported by evidence and what remains uncertain.

Why this matters

Understanding the difference between product information and health evidence helps you avoid treating marketing language as scientific proof.

When using Healthtek, look at the available sources and evidence alongside the product information rather than relying on a single statement.

Guide 04 of 6

How to Compare Health & Wellness Devices

Start requirements

  • Product type
  • Key functions
  • Measurements
  • Compatibility
  • Size
  • Portability
  • Power
  • Connectivity
  • Included components
  • Other relevant specifications

Compare the same information

Compare equivalent information across products so that differences are meaningful.

Separate specifications from evidence

Differences in specifications do not automatically establish better health outcomes. A specification describes a product characteristic; evidence addresses what is supported about its use or effects.

Consider practical differences

Look at how the device operates, where it can be used, whether it works with another device or system, what maintenance it requires, and how it fits into your routine.

No universal winner

There is no single product that is best for everyone. Healthtek helps you discover relevant options, understand the information, and compare products. The decision remains yours.

Guide 05 of 6

Understanding Consumer Reviews

Reviews can be useful for understanding people's experiences, but they can also be easy to misinterpret.

What reviews can be useful for

  • Setup
  • Usability
  • Comfort
  • Convenience
  • Packaging
  • Perceived durability
  • Frustrations or difficulties

What reviews cannot establish

Consumer reviews cannot establish scientific evidence by themselves. Individual experiences vary and do not necessarily represent how a product performs for everyone.

Look for patterns

Consider the number of reviews, how recent they are, whether they appear genuine, how specific they are, and whether the experience described is relevant to what you are trying to understand.

Keep reviews and scientific evidence separate

Reviews describe individual experiences. Scientific evidence answers different questions using research and other documented sources. One should not be treated as a substitute for the other.

Guide 06 of 6

Using Health Technology Responsibly

Technology should support informed decision-making, not replace professional judgment.

Understand intended purpose and documentation

Understand what a product is designed or documented to do. Do not assume that a product performs functions that are not documented.

Understand limitations

Measurements and outputs can depend on context. A single result does not automatically constitute a diagnosis.

Health decisions

Consumer product information is not a substitute for professional advice. If you have an urgent or serious health concern, seek appropriate medical care.

Protect your information

Understand what information a product collects, where it is stored, whether it is shared, whether an account is required, and what privacy controls are available. Read the relevant privacy information.

Use technology as part of informed decision-making

Use technology as one part of understanding your options. Healthtek helps make product information, evidence, and comparison easier to access; it does not make health decisions for you.

Research. Compare. Understand the information. Then decide what is appropriate for you.