Health & Wellness Supplements

50 / The Best Supplement Brands to Trust (And the Ones to Avoid) — A Functional Medicine Perspective

March 31, 2026

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I'm Lisa, functional medicine dietitian, certified nutritionist, and gut health expert helping you find health and wellness you deserve!

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If you’ve been searching for the best supplement brands to trust, the answer is more complicated than any roundup list will tell you. Because before we can talk about which brands are worth your money, we need to talk about who actually owns them. What’s your favorite supplement brand? Got it in mind? Now — what if I told you it might be owned by Clorox? Or a pharmaceutical company? The supplement industry has been quietly bought up by massive corporations that have nothing to do with wellness — and it’s something every health-conscious consumer needs to know.

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The Corporate Takeover of Your Wellness Routine

Over the past several years, the supplement industry has become prime real estate for massive multinational corporations, private equity firms, and Big Pharma. And the reason is simple: money.

Creating a pharmaceutical drug takes decades and billions of dollars in clinical trials and FDA approval. Launching a nutritional supplement? Far less time, far less regulation, and far more profitable. Add to that the fact that the wellness industry is growing at an explosive rate, and suddenly it makes total sense why these corporations are racing to snap up supplement brands.

But here’s where it gets concerning for us as consumers.

Why This Is a Problem for Your Health

Think about how pharmaceutical companies make their profit. They become more successful the sicker people are. Now imagine that same company also owns a supplement brand — one that’s supposed to keep people well.

Do you see the problem?

These corporations answer to shareholders, not to your health. Their number one priority is profits, and the way they maximize profits is through cost-cutting and price increases. That can mean cheaper ingredients, lower doses, and proprietary blends on the label that hide exactly how little of the good stuff you’re actually getting.

There’s also a bigger-picture concern: these corporations have enormous lobbying power. And they’re not going to lobby for your right to access high-quality supplements. We may see increased regulation that drives doses lower, quality down, and prices up — or even pushes certain supplements to prescription status.

What Changes When a Big Corp Takes Over

When a large company acquires a smaller supplement brand, the first thing they typically do is streamline production and cut costs. That can look like:

  • Switching to cheaper, less bioavailable forms of ingredients
  • Reducing dosages to levels that are no longer clinically effective
  • Using proprietary blends (like “vegetable blend” or “multi-collagen complex”) that mask exactly how much — or how little — of each ingredient is included
  • Adding fillers, binders, and additives that have no business being in a health product

Who Owns Your Favorite Supplement Brands? The Full Breakdown

This is where it gets really eye-opening. There are roughly 14 mega-corporations that now own well over 100 of the most popular supplement brands on the market. Let me walk you through some of the biggest ones:

Nestlé Health Sciences owns Garden of Life, Pure Encapsulations, Douglas Labs, Vital Proteins, and Wobenzym. Yes — the chocolate company. I’ll be honest: I still use Pure Encapsulations personally and recommend it to clients, but I check those labels constantly. If the quality ever shifts, I’ll be moving on. And for what it’s worth, Ferraro now owns Nestlé’s chocolate division — Nestlé has pivoted almost entirely into health sciences and water. Doesn’t make me feel better about it, but there it is.

Clorox — yes, the bleach company — owns Rainbow Light (the prenatal vitamin many of us took during pregnancy), Renew Life, Natural Vitality Calm (those magnesium gummies), and Burt’s Bees. I stopped buying Burt’s Bees years ago once I noticed the quality decline. It’s no longer the wholesome little brand it once was.

Pfizer owns Centrum, Caltrate, and Emergen-C. Centrum and Caltrate have been studied and found to contain almost no absorbable active ingredients — there’s actually research showing Centrum tablets passing through the body completely intact. Please do not spend your money there.

Bayer — which also owns Roundup — owns One A Day. If a company is contaminating our food supply and gutting our gut health, they are not a company I want making my vitamins.

The Carlisle Group, a private equity firm, owns Nature’s Bounty, Puritan’s Pride, Sundown Naturals, Ester-C, American Health, and Osteo BiFlex.

And please — I need you to hear this — never buy your supplements from Walmart, CVS, GNC, or any big box or drug store. GNC is largely Chinese-owned at this point, and the supplements you’ll find on those shelves have been studied and shown to contain very little — if any — of the active ingredients listed on the label, plus plenty of things you don’t want, like talc and synthetic additives. If you have a practitioner telling you those supplements are fine, that’s a red flag. Run.

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So Which Supplement Brands Can You Actually Trust?

Here’s what I want you to do before buying any supplement:

1. Find out who owns it. Independently owned companies that are mission-driven and philosophically committed to quality are almost always a better choice.

2. Look for third-party testing. This means someone outside the company has verified that what’s on the label is actually in the bottle — and that nothing else is.

3. Check the ingredients for clean, pure formulations. No junk. No unnecessary fillers or additives.

4. Make sure you can see individual ingredient amounts. Be wary of proprietary blends that hide dosing behind a group label.

5. Look for the right forms of ingredients. This one matters more than most people realize. For example: if your B12 supplement says cyanocobalamin, that’s the inactive form and your body may not be able to convert it efficiently. What you want is methylcobalamin — the activated form that works for everyone, including those with MTHFR gene variants. Similarly, synthetic vitamin E is far inferior to the natural form. Working with a practitioner can help you navigate this.

6. Confirm clinically effective doses. Those infomercial supplements with the celebrity doctor endorsements? I’ve looked at the ingredients lists. They often look impressive, but the doses are too low to do anything meaningful. You’re paying top dollar for next to nothing.

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Supplement Brands That Are Still Independently Owned

There are still excellent, independently owned supplement companies on the market. Some of my personal favorites — and brands I carried in my own practice — include Designs for Health, Nutritional Frontiers, Standard Process, and DaVinci. As far as I can tell, they remain independent and their quality remains high.

Get Your Nutrients From Food First

I’ll leave you with this: whenever possible, get your nutrients from food. Here are two of my favorite examples:

Two Brazil nuts (the larger ones) give you a full day’s supply of selenium — which is exactly how I support my thyroid with Hashimoto’s, without needing a separate supplement. Costco sells them in big bags at a great price.

And a quarter cup of almonds provides 50% of your daily vitamin E needs.

Food is always the most bioavailable source. And sunshine? Still the best way to get your vitamin D.

Knowledge is power, friends. Now that you know who’s behind many of the brands on the shelf, you can make choices that actually support your health — not someone else’s bottom line.




Want to hear Lisa break this down in depth? Listen to Episode 50 of the Pretty Well Podcast.

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