Gummies, Patches, Powders or Sprays: Which Supplement Formats Actually Work?

Woman’s World asked me about “pill fatigue” for an article on gummies, patches and sprays. Pill fatigue is what happens when the daily handful of capsules starts to feel like a chore, and people go looking for something easier to take. My first answer was that the best alternative format is often fewer supplements. This is the longer version of what I told the magazine, with the evidence behind each format.

Start by cutting the list

Many patients come in taking 10 to 15 products, several of them overlapping or unnecessary. A typical example: a multivitamin that already contains vitamin D, a separate vitamin D, and a “bone health” blend with more. Two products with magnesium. A B-complex on top of a multivitamin that already covers the B vitamins. Each one made sense when it was bought. Together they add pills without adding much benefit.

So before we talk about formats, I check labs: vitamin D, B12, ferritin (iron stores), magnesium and the omega-3 index. With results in hand we can usually cut the list down to the few that actually matter for that person. Someone whose vitamin D is already in range does not need a second vitamin D product, and someone with normal ferritin usually should not be taking iron at all. I walk through the full method in how to audit your supplement stack, and the omega-3 test in the omega-3 index.

Which format works for which nutrient

Once the list is short, the format matters. There is no single answer for every vitamin or mineral. The deciding factor is mostly dose: some nutrients are needed in micrograms, others in hundreds of milligrams or grams, and a gummy, spray or strip simply cannot hold a gram of anything.

Liquid drops: vitamin D and K2

Liquid drops are a great option for vitamin D and K2. Both are fat-soluble and dosed in micrograms, so a few drops replace a softgel. They absorb well when taken with a meal that contains some fat. In one study, a dose of vitamin D3 taken with a fat-containing breakfast produced a 32% higher peak blood level than the same dose taken with a fat-free meal.¹ Take them with whichever meal you never skip.

Drops vary a lot in concentration between brands, so check how much vitamin D is in each drop rather than assuming it matches your old capsule.

Powders: the bulky nutrients

Powders work well for the bulky nutrients. Magnesium, electrolytes, creatine and fiber need hundreds of milligrams to grams per dose, and that is exactly what drives pill counts up. The usual maintenance dose of creatine, for example, is 3 to 5 grams a day,² which takes several capsules but only one scoop of powder. Stirred into water or a smoothie, powders are easy to take daily.

Chewables and liquids: B12 and calcium

Liquids and chewables are fine for B12 and calcium. High-dose oral B12 works in any form. A small share of a large oral dose is absorbed passively, without the intrinsic factor the gut normally needs, which is why high-dose tablets, liquids and chewables can correct a deficiency. A Cochrane review found that oral B12 raised blood levels about as well as injections, although the trials were small.³

Chewable calcium citrate is a solid choice. Unlike calcium carbonate, citrate does not need stomach acid to be absorbed. In fasting people without stomach acid, absorption from calcium carbonate was about a tenth of that from citrate; taking the carbonate with breakfast fixed the problem.⁴ That matters for older adults, who often make less stomach acid, and may matter for people on acid-reducing medicines.

Gummies: convenient, with trade-offs

Gummies are convenient, but they degrade on the shelf, can stray from the labeled dose, add sugar, and cannot hold enough minerals to matter. Dose accuracy is a real problem. When researchers tested 25 melatonin gummy products sold in the US, the actual melatonin content ranged from 74% to 347% of what the label said.⁵

Iron gummies are also a real poisoning risk for children, because they look and taste like candy. Before unit-dose packaging rules took effect in 1997, accidental iron overdose was a leading cause of poisoning deaths in young children, and those deaths fell sharply afterward.⁶ Keep any iron product, gummy or not, out of children’s reach.

Whatever the format, take “absorbs 10x better” claims with a grain of salt. Few of them hold up to independent data.

Sprays and dissolving strips: small doses only

Sprays and dissolving strips work only for small doses. They can deliver B12 or vitamin D, which are needed in micrograms, but they cannot carry meaningful amounts of minerals like magnesium or calcium, which are needed in hundreds of milligrams. For vitamin D, a small randomized crossover trial found that an oral spray raised blood levels about as well as a capsule.⁷ As well as is the key phrase: a spray is an alternative, not an upgrade.

Patches: the format I am most skeptical of

Skin keeps out most water-soluble vitamins and minerals, so patches are the format I am most skeptical of. Keeping things out is the skin’s job. The compounds that get through it well tend to be small (under about 500 daltons) and fat-soluble,⁸ which is why patches work for medicines like estrogen and nicotine. Minerals are charged particles, B12 is nearly three times that size, and water-soluble vitamins do not dissolve into the skin’s oily outer layer.

The best real-world test I know of comes from gastric bypass patients, who need vitamins for life. In one study, 82% of patients using a multivitamin patch had at least one deficiency at one year, compared with 41% of those taking pills, and 81% of the patch group were low in vitamin D, compared with 36% of the pill group.⁹ It was a small, retrospective study of 44 people, but it points the same way as the biology. For anything you actually need, I would not rely on a patch.

Make the routine automatic

A shorter list in better formats only helps if you take it. Tie supplements to an existing habit: keep them next to the coffee maker, or take them with the same meal every day. In a study of people building new daily habits, repeating a behavior in response to the same daily cue made it feel automatic after a median of about 66 days, with a wide range, and missing the occasional day did not derail the process.¹⁰

1. Pick an anchor

   Something you already do every day without fail, like making coffee or eating breakfast. Put the supplements where you will see them at that moment.

2. Use a weekly organizer

   You can see at a glance whether today’s dose is done, so you do not skip it or take it twice.

3. Check for overlaps when you add anything new

   Read the full label of a new multivitamin or blend against what you already take. Overlapping vitamin D, vitamin A, iron and zinc are the most common ways people end up taking more than they meant to.

If swallowing pills has become hard, or pills or food feel like they stick on the way down, tell your doctor. New trouble swallowing is worth getting checked, not just working around.

Measure first, then pick the format

The best supplement is one you actually need, in a form you will take every day and your body can absorb. Labs answer the first question: they tell you which supplements are filling a measured gap and which ones can go. Then the format is easy to choose, and the pill count usually shrinks on its own.

References

1. Dawson-Hughes B, Harris SS, Lichtenstein AH, et al. “Dietary fat increases vitamin D-3 absorption.” Journal of the Academy of Nutrition and Dietetics 115, no. 2 (2015): 225–230. DOI: 10.1016/j.jand.2014.09.014

2. Kreider RB, Kalman DS, Antonio J, et al. “International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine.” Journal of the International Society of Sports Nutrition 14 (2017): 18. DOI: 10.1186/s12970-017-0173-z

3. Wang H, Li L, Qin LL, et al. “Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency.” Cochrane Database of Systematic Reviews 3 (2018): CD004655. DOI: 10.1002/14651858.CD004655.pub3

4. Recker RR. “Calcium absorption and achlorhydria.” New England Journal of Medicine 313, no. 2 (1985): 70–73. DOI: 10.1056/NEJM198507113130202

5. Cohen PA, Avula B, Wang YH, et al. “Quantity of melatonin and CBD in melatonin gummies sold in the US.” JAMA 329, no. 16 (2023): 1401–1402. DOI: 10.1001/jama.2023.2296

6. Tenenbein M. “Unit-dose packaging of iron supplements and reduction of iron poisoning in young children.” Archives of Pediatrics & Adolescent Medicine 159, no. 6 (2005): 557–560. DOI: 10.1001/archpedi.159.6.557

7. Todd JJ, McSorley EM, Pourshahidi LK, et al. “Vitamin D3 supplementation in healthy adults: a comparison between capsule and oral spray solution as a method of delivery in a wintertime, randomised, open-label, cross-over study.” British Journal of Nutrition 116, no. 8 (2016): 1402–1408. DOI: 10.1017/S0007114516003470

8. Bos JD, Meinardi MM. “The 500 Dalton rule for the skin penetration of chemical compounds and drugs.” Experimental Dermatology 9, no. 3 (2000): 165–169. DOI: 10.1034/j.1600-0625.2000.009003165.x

9. Saurabh S, Gao Y, Maduka S, et al. “Is transdermal multivitamin patch effective in gastric bypass patients?” Obesity Surgery 29, no. 12 (2019): 3818–3823. DOI: 10.1007/s11695-019-04070-5

10. Lally P, van Jaarsveld CHM, Potts HWW, Wardle J. “How are habits formed: modelling habit formation in the real world.” European Journal of Social Psychology 40, no. 6 (2010): 998–1009. DOI: 10.1002/ejsp.674

11. Maxbauer L. “‘Pill Fatigue’ Is Real: Doctors Reveal the Gummies, Patches and Sprays That Actually Work.” Woman’s World, October 30, 2026. Quotes Dr. Luke Sorrell. womansworld.com