Traffic Light Eating Method: The Best Foods for YOU
Good diet isn’t about following the foundations.
The healthiest folks we all know aren’t cardboard cut-outs of perfection.
In truth, you is perhaps shocked how they eat.
That’s as a result of as an alternative of following another person’s eating regimen recommendation, they’ve developed a private meals listing primarily based on their very own dietary quirks.
You couldn’t predict their lists in case you tried.
They keep in mind not simply diet, but additionally their particular person style preferences and the way meals make them really feel.
This method leaves room for ice cream and tortilla chips and gummy bears—and doesn’t require them to eat “wholesome” meals they will’t stand (or aren’t capable of tolerate).
And you already know what? The tactic works actually nicely.
It permits these of us to eat nutritiously, take pleasure in their meals, and really feel “in management” round meals—with out feeling restricted or disadvantaged.
The perfect half: Anybody can do that. (In truth, we’ve been efficiently utilizing it with our shoppers—over 100,000 folks—for greater than a decade.)
Introducing the visitors mild consuming technique.
Earlier than we proceed: If seeing the title of this technique makes you A) recoil in anger, B) roll your eyes, or C) search for the again button, hear us out.
Sure, it’s somewhat controversial. The explanation: Some firms use a similarly-named method to offer a set of meals guidelines that apply to everybody.
This isn’t that.
Utilizing our system, you’ll outline your personal “inexperienced mild,” “yellow mild,” and “crimson mild” meals primarily based on how they give you the results you want. (And spoiler alert: “Crimson mild” doesn’t imply unhealthy.)
As you’ll see, nutrition-quality is a vital aspect in selecting meals—nevertheless it’s not the one one. Your likes and dislikes, habits, objectives, and physiology all play a task, too.
Let’s stroll by means of it.
Inexperienced mild meals = anytime, anyplace meals
These are meals you eat recurrently and with ease. You’ll be able to eat them usually, slowly, and in affordable quantities.
Complete meals often make up most of this listing, however it could additionally embrace meals that you simply take pleasure in purely for pleasure, in quantities that work nicely for you.
Nutrient density isn’t the one standards right here: Your “inexperienced lights” are meals that you simply take pleasure in, align along with your tradition and way of life, and make your physique and/or thoughts really feel good.
And, whereas we encourage aware consuming, inexperienced mild meals are ones you don’t need to assume an excessive amount of about. You simply eat and luxuriate in them: easy as that.
Yellow mild meals = “generally” / “possibly” / “small doses” meals
Your “yellow lights” are meals you may eat often, with a level of warning or mindfulness.
Possibly they set off a little bit of indigestion (however not a full-scale emergency journey to the restroom).
Maybe you favor to take pleasure in them in small, bite-sized doses. Or solely on sure events, like out at a restaurant with associates.
It’s value noting that yellow mild meals don’t need to be “downside” meals.
They is perhaps nutritious meals you incorporate into your eating regimen, generally.
Possibly you’re “meh” about eggplant, however you’ll eat it when your associate cooks it, or it’s a part of a restaurant dish.
Otherwise you’ll eat tofu as soon as per week on “meatless Mondays.”
Otherwise you cook dinner okra, however solely on the weekends when you will have time to make it good.
We’d think about these yellow mild meals.
As you may see, “yellows” might be any kind of meals. Alcohol and sure “junk meals” may wind up on this class, however heck, so may kale.
Crimson mild meals = meals you usually keep away from, reduce, or make much less out there
Crimson mild meals aren’t unhealthy. They’re simply meals that you simply select to not eat (no less than more often than not).
Crimson mild meals might not give you the results you want as a result of:
- They don’t allow you to obtain your objectives
- You all the time overeat them
- You’re allergic to them
- You’ll be able to’t simply digest them
- You simply don’t like them
Extremely-processed meals usually fall into this class since many of us discover that, as soon as they begin consuming them, they will’t cease. Some folks even name them “set off meals,” as a result of after taking a single chunk, they blink, and the sofa is roofed in Cheeto mud and empty ice cream cartons.
Once more, this doesn’t imply you keep away from these meals on a regular basis.
For instance, you may not need to maintain the freezer stocked with cheesecake, however maybe you’ll fortunately take pleasure in a beneficiant slice on a special day.
On the similar time, so-called “wholesome” meals can wind up on the crimson mild listing too.
If broccoli makes you gag, put it on the crimson mild listing. (As a result of who needs to eat meals they hate?)
If apples trigger you to interrupt out in hives, that’s a crimson mild.
If plain, baked rooster breast makes you are feeling like a disadvantaged dieter, you guessed it—crimson mild meals.
Price reiterating: Placing one thing in your crimson mild listing doesn’t imply you may by no means eat it once more. In truth, except you will have extreme allergy symptoms, it may be value experimenting with every now and then.
You may develop to like one thing you at the moment dislike. Or change into higher at consuming it moderately.
Maintain up: Couldn’t the visitors mild system promote disgrace, guilt, or disordered habits?
Our reply: It will depend on how you utilize it.
The thought behind the PN visitors mild system isn’t to label meals or observe a specific system “completely.”
The aim, reasonably, is to construct consciousness about which meals work finest for you, and which of them don’t. So you may make knowledgeable selections for your self.
However not all visitors mild programs are created equal.
Some applications on the market use the visitors mild system too, however they use it in another way than PN.
They use it primarily based purely on their interpretation of dietary worth, to point which meals ought to make up the majority of your eating regimen (inexperienced), which meals you must eat moderately (yellow), and which meals you must eat sometimes and in small parts (crimson). And the listing is the very same for everybody.
Our method is completely different, for a few causes:
First, we don’t need to counsel that sure meals are “unhealthy” or off-limits.
The information we’ve seen (and our expertise working with shoppers) tells us that restriction usually results in extra problematic consuming behaviors, not much less.
And whereas we do supply tools to help people make more healthful choices, our massive intention is to assist shoppers make enhancements and changes that really feel proper for them.
What’s extra, when used as an awareness-building instrument, we’ve discovered the visitors mild consuming technique can really assist folks transfer away from disordered habits, and expertise a better sense of self-efficacy, flexibility, and delight with their meals selections.
That may really feel life-changing.
When you already know which meals work nicely for you, which of them are “meh,” and which of them trigger undesirable points, meals selections change into simpler.
Plus, you may adapt your visitors lights at any time. They evolve with you.
Higher nonetheless, you make selections primarily based on YOU. Your physique, your thoughts, your well being. Not another person’s eating regimen, meal plan, factors, or guidelines.
Your dietary selections change into much less inflexible and extra versatile. Meals turns into much less worrying, no more.
A particular word for coaches
When you’re a coach, we extremely encourage you to begin gathering details about your consumer’s meals preferences proper from the beginning.
In PN Teaching, we do that as a part of our consumer consumption. We be taught from the start about our shoppers’ likes, dislikes, allergy symptoms, intolerances, and so forth.
It’s vital to know your consumer’s start line earlier than making any dietary suggestions.
In any case, there’d be no level in recommending meat to a vegetarian, or peanut butter to somebody who’s allergic to nuts, or seafood to somebody who lives within the desert, or one thing “soooo tasty” to somebody who’s present process chemotherapy and may’t style a darn factor.
Private preferences aren’t the one issue to contemplate.
When you’re a diet coach, you’ll nonetheless need to educate your consumer which meals are most nutritious and shall be best suited for his or her objectives.
(Our food spectrum infographic is usually a actually useful gizmo for that.)
Over time, your consumer might develop extra appreciation for healthful meals.
If their eating regimen at the moment accommodates quite a lot of highly-processed meals, they may not have many entire meals on their “inexperienced” listing proper now. However tastes can change. Many individuals discover that as they begin to eat extra minimally-processed meals, they discover them extra palatable.
For instance, in case your consumer categorizes all greens as a “yuck / barf,” maybe you may assist discover a vegetable or two that matches their yellow mild (and possibly finally inexperienced mild) listing.
(To assist your consumer develop a style for veggies, take a look at: What to do when you don’t like vegetables.)
Need some examples? Right here’s what our visitors lights seem like.
Once more, there isn’t a set traffic-light listing for each particular person. Whereas generally, entire meals resembling greens, fruit, and lean proteins are a good suggestion, in terms of particular meals, you may need a special listing.
That can assist you higher perceive how that works, listed here are a couple of private examples from of us at PN.
Let’s begin with the authors of this text.
Brian St. Pierre, MS, RD, Director of Vitamin and Efficiency at PN

Camille DePutter, PN Coach and Adviser

Now right here’s a listing from Krista Scott Dixon, PhD, Director of Curriculum at Precision Vitamin.

What a few scientist? Right here’s the listing of Helen Kollias, PhD, Science Advisor at Precision Vitamin.

Wish to construct your personal listing—or assist a consumer with theirs?
Begin by utilizing our Red-Yellow-Green Foods Worksheet.
To place your listing into follow, right here’s a tip: Hold primarily “inexperienced” meals helpful and out there. You’ll naturally eat extra of them.
And, if you wish to devour fewer meals in your “yellow” or “crimson” mild listing, you may make your life simpler by merely not shopping for them. (That approach it’s important to train much less willpower if you get residence.)
That stated, you too can select to eat meals that DON’T give you the results you want. Until you’re deathly allergic, consuming out of your “crimson mild” listing is all the time an possibility.
Both approach, you’re in management, and you already know what to anticipate. (Learn: “If I’m going forward and eat this red-light meals, I’d eat a complete lot of it versus selecting one thing from my green-light listing. Proper now, I’m okay with that.”)
When used as a solution to get to know your self higher and make aware selections, this technique isn’t restrictive. It’s liberating.
For extra perception into how this works, right here’s a have a look at how PN co-founder Dr. John Berardi chooses his foods, from lemon water (“inexperienced mild”) to crimson peppers (“crimson mild”).
Your relationship to sure meals will change over time—and that’s a very good factor.
The one fixed in life, and human beings, is change.
Your tastes might change as you age. Your priorities might change, too. Typically new allergy symptoms and intolerances type. (And in case you’re actually fortunate, some might go away.)
Don’t let your “visitors lights” outline you or maintain you caught.
As a substitute, think about them a possibility to get to know your self higher as you evolve and develop.
As Alice stated whereas in Wonderland, “I knew who I used to be this morning, however I’ve modified a couple of instances since then.”
We’re all a bit like Alice. Would possibly as nicely benefit from the journey.
When you’re a coach, otherwise you need to be…
You’ll be able to assist folks construct diet and way of life habits that enhance their bodily and psychological well being, bolster their immunity, assist them higher handle stress, and get sustainable outcomes. We’ll present you ways.
When you’d prefer to be taught extra, think about the PN Level 1 Nutrition Coaching Certification.

