You're standing in the supplement aisle—or more likely, scrolling through endless product pages—trying to pick a hydration supplement. Every brand screams "clean," "natural," "pure." One promises "zero junk." Another highlights "plant-based ingredients." A third boasts "clinically studied hydration."
Here's the problem: none of these terms are regulated. Any company can slap "clean" on their label, regardless of what's actually inside. You could be drinking artificial sweeteners, hidden sugars, or proprietary blends that won't even tell you how much of each ingredient you're getting.
If you train hard, compete, or just care about what goes into your body, this matters. You need hydration support that works—without the additives, fillers, or ingredients you'd never knowingly choose. This guide will show you exactly what to look for when choosing hydration supplements with genuinely clean formulas. No marketing spin. Just the facts you need to read labels like a pro.
What 'Clean Formula' Actually Means (And What It Doesn't)
Let's start with the uncomfortable truth: "clean" has no legal definition in the supplement industry. Neither does "natural," "pure," or "wholesome." These are marketing terms, and companies use them freely—even when their products contain artificial sweeteners, maltodextrin fillers, or ingredient lists that read like a chemistry exam.
So what does a clean formula actually mean in practical terms?
A genuinely clean hydration supplement starts with full ingredient transparency. That means every ingredient is listed with its exact amount—no hiding behind proprietary blends that lump multiple ingredients together without disclosure. If you can't see how many milligrams of each electrolyte you're getting, that's a red flag.
Next, clean formulas avoid artificial sweeteners. We're talking sucralose, acesulfame potassium (Ace-K), and aspartame. These synthetic compounds are used because they're cheap and intensely sweet, but many people prefer to avoid them—especially when consuming a product daily.
Clean also means no unnecessary fillers. Maltodextrin is a common offender. It's often used as a carrier for sweeteners or to add bulk, but it has a high glycemic index and adds hidden carbs. If you're choosing a zero-sugar product, maltodextrin undermines that choice.
Here's the key distinction: clean marketing versus clean ingredients. The front of the package might say "natural hydration" in bold letters. Flip it over. Look at the Supplement Facts panel and the ingredients list. That's where truth lives. You can see an example of full ingredient transparency when brands disclose every milligram.
If the ingredient list includes "natural flavors (contains maltodextrin)" or lists a sweetener followed by "and other ingredients," you're not getting the full story. A truly clean formula doesn't need fine print or vague language. Every milligram is accounted for, and nothing is hidden.
The takeaway? Don't trust the front label. Read the back. If a brand won't tell you exactly what's inside and how much, they're not as clean as they claim.
Red Flags on Hydration Supplement Labels
Once you know what clean means, spotting the red flags becomes straightforward. Here are the warning signs that should make you put a product back on the shelf—or close the browser tab.
Proprietary Blends: This is the biggest red flag. A proprietary blend lists multiple ingredients under one umbrella term without disclosing individual amounts. You might see "Electrolyte Blend (sodium, potassium, magnesium, calcium): 500mg" without knowing how much of each mineral you're actually getting.
Why does this matter? Because a company could load up on cheap ingredients like calcium and barely include the sodium and potassium your body actually needs during hard training. Proprietary blends are legal, but they prevent you from making informed decisions. If a brand won't disclose every milligram, ask yourself why.
Hidden Sugars and Artificial Sweeteners: Many hydration products contain sugar—sometimes a lot of it. Liquid I.V., for example, includes 11 grams of sugar per serving. That's not inherently bad if you're aware and choose it intentionally, but it's a problem when products market themselves as "clean" or "healthy" without making the sugar content obvious.
Artificial sweeteners are even trickier. Sucralose and acesulfame-K are common in sports drinks because they provide sweetness without calories. But they're synthetic, and many people prefer to avoid them. The issue is that they're often buried in the ingredient list, easy to miss if you're not reading carefully.
Then there's maltodextrin. Technically a carbohydrate, it's often used as a carrier for stevia or other sweeteners. It's frequently listed under "other ingredients" or hidden in "natural flavors." Maltodextrin has a glycemic index higher than table sugar, which means it spikes blood glucose quickly. If you're choosing a zero-sugar product for metabolic reasons, maltodextrin defeats the purpose.
Vague Ingredient Listings: Pay attention to the "other ingredients" section. This is where companies bury the fillers, preservatives, and additives they don't want to highlight. Look for terms like "natural flavors," "citric acid," "silica," or "artificial colors."
Natural flavors aren't necessarily problematic, but the term is broad and unregulated. It can include dozens of compounds, some natural, some not. If a product lists "natural flavors" without clarifying what's in them or whether they contain carriers like maltodextrin, transparency is lacking.
Artificial colors—like Yellow 5 or Red 40—serve no functional purpose. They're purely cosmetic, added to make a drink look more appealing. If a hydration supplement needs dyes to look good, question what else they're prioritizing over ingredient quality.
The bottom line: a clean label should be short, specific, and fully disclosed. If you need a magnifying glass and a chemistry degree to decode it, that's not clean. That's marketing.
The Clean Formula Checklist: 5 Non-Negotiables
If you want to choose hydration supplements with clean formulas, use this checklist. These five criteria separate genuinely clean products from marketing-clean imposters.
1. Full Disclosure of Every Ingredient Amount: This is non-negotiable. You should be able to see the exact milligram amount of every ingredient—sodium, potassium, magnesium, sweeteners, everything. No proprietary blends. No "and other ingredients" without specifics.
Why does this matter? Because you need to know what you're putting in your body, especially if you're training hard or competing. If a product lists "Electrolyte Blend: 800mg" without breaking it down, you have no idea if you're getting meaningful amounts of sodium (which you lose most in sweat) or just cheap fillers.
2. Zero Artificial Sweeteners: Look for products sweetened with organic monk fruit or stevia—and make sure the stevia doesn't come with a maltodextrin carrier. Monk fruit (luo han guo) provides clean sweetness without the bitter aftertaste some people experience with stevia, and organic monk fruit extract avoids the carrier issue entirely.
If you see sucralose, acesulfame-K, or aspartame on the label, that's an artificial sweetener. These are synthetic compounds, and while they're FDA-approved, many people prefer to avoid them—especially in a product they're using daily for performance.
3. Third-Party Testing and Certifications: This is where clean formulas prove themselves. Informed Sport and NSF Certified for Sport are the gold standards. These certifications mean every batch is tested by an independent lab for substances banned by the World Anti-Doping Agency (WADA).
Why does this matter if you're not a competitive athlete? Because third-party testing also screens for contaminants—heavy metals, microbes, and undisclosed ingredients. The supplement industry is largely self-regulated, which means brands can cut corners. Third-party certification is your guarantee that what's on the label matches what's in the package.
4. Appropriate Electrolyte Ratios for Performance: Sodium is the primary electrolyte you lose in sweat. If you're training hard, working in heat, or sweating heavily, you need 500-1000mg of sodium per serving—sometimes more.
Many mainstream hydration products provide far less. Some offer 200-300mg of sodium, which might be fine for casual use but won't cut it for serious training. Check the sodium content first. If it's low, the product isn't formulated for performance, no matter what the marketing says.
Potassium and magnesium matter too, but in smaller amounts. A good ratio is roughly 1000mg sodium, 200mg potassium, and 150mg magnesium. This mirrors what your body actually loses and needs to replace.
5. Minimal Ingredient Lists: If a hydration supplement has 20+ ingredients, ask why. Electrolytes, a clean sweetener, maybe some natural flavoring—that's all you need. Long ingredient lists often mean fillers, binders, or additives that serve the manufacturer's needs (cheaper production, longer shelf life, better texture) rather than yours.
A clean formula should be simple. Sodium, potassium, magnesium, organic monk fruit or stevia, natural flavors. That's it. If you can't identify or pronounce half the ingredients, it's not clean.
Comparing Popular Hydration Brands: A Clean Formula Breakdown
Let's look at how some popular hydration brands stack up against the clean formula criteria. This isn't about tearing anyone down—it's about helping you see the differences so you can make informed choices.
LMNT: LMNT is known for high sodium content (~1000mg per serving), which is excellent for performance. They disclose every ingredient amount—no proprietary blends. However, they use stevia as a sweetener, which some people prefer to avoid due to its bitter aftertaste. The stevia in LMNT does not contain maltodextrin, which is a plus. They don't carry Informed Sport certification, which matters for competitive athletes. Packaging is individual stick packs, but not paper-based.
Liquid I.V.: Liquid I.V. is widely available and uses a cellular transport technology (CTT) based on optimal sodium-glucose ratios. The catch? Each serving contains 11 grams of sugar. That's not inherently bad—sugar can aid absorption—but it's a significant amount if you're using the product multiple times per day or trying to limit sugar intake. They also use plastic stick packs. Ingredient disclosure is clear, which is good, but the sugar content and packaging don't align with what many people consider "clean."
Cure: Cure markets itself as plant-based and uses coconut water powder as a natural electrolyte source. They sweeten with stevia and organic fruit extracts. Sodium content is lower than performance-focused brands—around 200mg per serving—which makes it suitable for casual hydration but less ideal for heavy sweaters or intense training. They emphasize sustainability and use compostable packaging, which is a strong point. However, the lower sodium content and stevia-based sweetening may not meet everyone's clean formula standards.
GOODONYA: GOODONYA focuses on organic ingredients and minimal processing. They use organic coconut water powder and sea salt, with a clean ingredient list. Sodium content varies by product but tends to be moderate. They don't carry Informed Sport certification, which limits their appeal to competitive athletes. Packaging is eco-conscious. Overall, they align well with clean formula principles, though the electrolyte ratios may not be optimized for high-performance needs.
doingwell: Full disclosure—doingwell is the brand this site represents, so take this with appropriate context. doingwell was built on the clean formula checklist outlined above: ~1000mg sodium per serving, zero sugar, organic monk fruit sweetener (never stevia), maltodextrin-free organic natural flavors, every milligram disclosed, Informed Sport Certified on every batch, and paper stick packs for sustainable packaging. Co-founded by UFC Champion Sean O'Malley after a tainted supplement experience, the brand prioritizes transparency and testing. You can explore the full performance electrolyte collection to compare options. No competitor currently offers all three: athletic credibility, clean ingredients, and sustainable packaging.
The comparison framework is simple: check ingredient transparency, sweetener type, third-party testing, sodium content, and packaging. Most brands do some of these things well. Few do all of them.
Why Athletes and Serious Trainers Need Higher Standards
If you train hard, compete, or push your body regularly, clean formulas aren't just a preference—they're a necessity. Here's why higher standards matter.
Contamination Risks: The supplement industry is largely self-regulated. That means tainted products happen. Banned substances, undisclosed stimulants, or heavy metal contamination can end up in supplements, either through negligence or intentional adulteration.
For competitive athletes, this is a career risk. A tainted supplement can result in a failed drug test and suspension—even if you didn't knowingly take a banned substance. Informed Sport certification mitigates this risk by testing every batch for substances banned by WADA. If you compete, this certification isn't optional. It's essential. Learn more about the brand's commitment to testing and why it matters for athletes.
Higher Sodium Requirements: Training intensity affects hydration needs. If you're doing long runs, heavy sparring, tournament weekends, or working in heat, you're losing significantly more sodium than someone doing casual exercise.
Mainstream hydration products often provide 200-300mg of sodium per serving. That's not enough. Serious athletes and heavy sweaters need 500-1000mg per serving—sometimes more, depending on sweat rate and duration. If your hydration supplement doesn't provide adequate sodium, you're not replacing what you're losing, which can affect performance and recovery.
Long-Term Health Considerations: If you're using a hydration supplement daily—or multiple times per day—the ingredients add up. Artificial sweeteners, maltodextrin, and synthetic additives consumed repeatedly over months and years are a different consideration than occasional use.
Clean formulas matter beyond performance. They're about avoiding cumulative intake of ingredients you'd prefer not to consume long-term. If you're serious about training, you're likely serious about overall health. Your hydration supplement should align with that commitment.
Frequently Asked Questions About Clean Hydration Supplements
Is stevia considered clean? Stevia is a plant-based sweetener, so many people consider it clean. However, most stevia products use maltodextrin as a carrier, which adds hidden carbs and has a high glycemic index. If you're choosing stevia, look for versions without maltodextrin. Monk fruit is an alternative that provides sweetness without the carrier issue, especially if you choose organic monk fruit extract.
How much sodium should a clean electrolyte have? It depends on your use case. For casual hydration or light activity, 200-500mg of sodium per serving may be sufficient. For serious training, heavy sweating, or long sessions, look for 500-1000mg per serving. Sodium is the primary electrolyte lost in sweat, so higher amounts are necessary for performance-focused hydration. Products like the coconut lime electrolyte powder deliver the higher sodium levels athletes need.
Does sustainable packaging matter for 'clean' supplements? Clean formulas are about what's inside, but many people extend that philosophy to packaging. Plastic stick packs and single-use containers contribute to waste. Paper-based or compostable packaging aligns with environmental responsibility and reflects a brand's broader values. If you care about clean ingredients, sustainable packaging is a logical extension of that commitment.
What certifications should I look for? Informed Sport and NSF Certified for Sport are the most meaningful for hydration supplements. Both involve third-party testing for banned substances and contaminants. Informed Sport tests every batch, which is the highest standard. Organic certifications (USDA Organic) can also indicate cleaner sourcing for ingredients like monk fruit or natural flavors. Look for certifications that involve independent testing, not just brand claims. Reading verified customer reviews can also help confirm a brand delivers on its promises.
Read Labels, Not Marketing
Choosing hydration supplements with clean formulas comes down to one skill: reading labels critically. Don't trust the front of the package. Don't assume "natural" or "clean" means anything without verification. Flip to the Supplement Facts panel and the ingredient list. That's where the truth is.
Here's your checklist: full ingredient transparency with every milligram disclosed, no artificial sweeteners, third-party testing like Informed Sport certification, appropriate electrolyte levels (500-1000mg sodium for performance), and minimal ingredient lists. If a product checks all five boxes, you've found a genuinely clean formula.
doingwell was built on these exact principles. Every milligram disclosed. Organic monk fruit sweetener, never stevia. Maltodextrin-free organic natural flavors. Informed Sport Certified on every batch. Paper stick packs, zero plastic. ~1000mg sodium, zero sugar, formulated for real sweat days. Co-founded by UFC Champion Sean O'Malley after learning the hard way that what's inside matters.
If you want to see what a truly transparent label looks like, check the supplement facts page. Try it and see what clean hydration actually tastes like. No fluff. Just the facts, the ingredients, and the performance you're training for.