The Supplement Stacking Problem: What One Overlooked Electrolyte Reveals About Your Entire Health Strategy
Most people don't have a supplement problem. They have a stacking problem. Here's what 25 years of personalizing supplement recommendations have taught me.
Most people don't think about chloride. Even among people who pay close attention to nutrition, electrolytes, and supplements — chloride is an afterthought. We talk about sodium. Potassium. Magnesium. Betaine. Chloride just comes along for the ride. But while reviewing supplement routines with patients recently, it occurred to me that this is something I am always looking at, while others aren’t.
Ah the backwards DR at work! My assessing chloride has nothing to do with a single electrolyte — and everything to do with how I personalize total nutrition plans. I am actually rarely (although a lot more recently with electrolyte supplement explosion) worried about a chloride problem.
But what chloride assessment teaches us easily, is a pattern problem that drives suboptimal health when someone is focusing efforts on health optimization.
Follow along with me here because once you see it, I bet you too will spot it everywhere.
The stacking problem
I love supplements as a tool. That’s become a controversial statement in my field where some colleagues say I should stick to food. Even focusing on the value of fortified foods as a tool. Serioously? Fortifications are often the wrong form, the wrong amount and a cover story for a product that’s had all its good parts or many of them removed. I digress from my story about chloride here, but I do like to make that point for consideration and to be heard lol ;) So let’s get back to it and supplements.
Most people miss the problem with supplements. A total intake problem. Supplements don't exist in a separate category from food — they layer on top of everything you're already eating and drinking. A single product might look modest in isolation, but when no one is accounting for what's already coming in through meals, beverages, and packaged foods, even a thoughtfully chosen supplement routine can quietly push key nutrients well past what your body actually needs.
Does my body actually need all of this together? That’s the health optimization question.
Chloride - what you aren’t paying attention to shows you what you need to
Chloride is an essential electrolyte. It supports fluid balance, nerve signaling, muscle function, acid-base regulation, and stomach acid production. On its own, it’s not controversial.
But its total - food + supplements - can add up, just look at these components of a typical day:
High-sodium meals from restaurants or ready-to-eat food
Packaged snacks
High protein foods with hidden high sodium — deli proteins, broths, cottage cheese, plant-based protein products
The salt you cook with or add after for flavor
Electrolyte powders and chews for hydration
Mineral supplement blends
Betaine HCl for digestive support
Each one contributes chloride. Almost no one is tracking the total. Even when it may be flagged with your labs, the typical recommendation is to “reduce your salt”. That may totally miss the source(s), and that’s the critical the point.
If we don’t assess, we get the wrong data and take the wrong actions.
If we don’t fully assess, we miss the root cause(s) and often miss the better actions.
My experience has taught me that most are not looking at the full picture. And no AI of your labs or your food intake or your supplement intake is going to draw these connections, unless you’ve trained it to (like I did with the Weight Health Nutritionist AI - delivering Ashley’s Intelligence (that’s me), nothing artificial about it - free for paid subscribers)
The same problem shows up with every. single. nutrient.
Chloride is just the one I am choosing to make this concept visible. The stacking issue repeats across your entire supplement routine:
Calcium in from multiple supplements and in food fortifications including non-dairy. Zinc across a multivitamin and a targeted immune supplement. Stimulants stacked across coffee, pre-workout, and a “focus” formula. Fiber from powders, bars, and gut health products. Adaptogens layered across three different formulas.
You’re stack isn’t your supplements, it’s your food, beverage and supplement choices altogether, whether you are accounting for it that way or not, that’s how your body sees it.
More is not the strategy
There’s an assumption built into modern wellness culture: if something helps, more must help more.
Biology doesn’t work that way.
More is not automatically better. More is just more. Sometimes it helps. Sometimes it does nothing. Sometimes it creates unintended overlap — or imbalance — that works against the very outcomes you’re optimizing for.
For weight health specifically, outcomes don’t improve just because more inputs are added. Weight-health hormones like GLP-1, PYY, and CCK respond to the right inputs at the right time — not the most inputs. When your body is constantly processing an excess from its stack, it gets overwhelmed.
The goal isn’t accumulation. The goal is strategic. It’s alignment. That’s optimization.
The question that changes everything
Nutrition culture is obsessed with ingredients.
Is this good? Is that bad? Do I need more of this? Should I avoid that?
But physiology operates in combined exposure, not isolated inputs. So instead of asking “is this supplement healthy?” — try asking:
“How does this fit into everything else I’m already doing?”
That single shift is often where real personalization begins. Not with new products. With better integration of the ones you already have.
As your backwards DR, I always follow up with “here are the pros and considerations” because both always exist for every tool whether its a supplement, a medication, an activity or behavior choice.
This is the kind of thinking that actually moves the needle
Chloride is just a character in this the story here. It’s the example that supports a bigger consideration. A nutrient in a supplement form is never just a nutrient — it’s a compound that needs consideration.
If you want a clear, personalized framework for how to think about total nutrition os your supplements and food and beverage choices, and weight health together — this is exactly what I walk through in Your Best Shot, the playbook for truly personalized weight health. The book comes with free access to the Better Nutrition Program community, where you can ask questions, get support, and put these concepts into practice.
Because the goal was never a longer supplement list. It was a better one.
→ Get your books and access here or where you buy or borrow books (then use that link to register)
Ashley Koff RD
the “backwards DR”
Subscribe for weekly breakdowns of nutrients, lab markers, and supplement strategies — all through one lens: what actually fits your physiology, not just what looks good on the label.