What to Combine Hyaluronic Acid With

Hyaluronic acid is rarely sold "on its own": in most joint products it is combined with collagen, chondroitin, MSM, or vitamins. The editorial team examined which combinations have a biological basis and which are merely marketing.

Why combine hyaluronic acid at all

Hyaluronic acid (HA) is one of the components of the extracellular matrix of connective tissue. It retains water, is responsible for the viscosity of synovial fluid, and participates in the organization of cartilage tissue together with collagen and proteoglycans. That is why the logic of combinations is built around the idea of "supporting several links at once."

At the same time, the editorial team emphasizes: the logic of a combination does not equal proof. Most clinical studies examined HA on its own or as part of specific commercial mixtures. The results of such mixtures cannot be automatically transferred to any "homemade" combination from different jars.

Another argument in favor of well-thought-out combinations is convenience. If a person is already taking collagen or glucosamine, adding HA in the same complex can simplify the regimen. But convenience should not become a reason to buy multi-component products with micro-doses of each ingredient.

Below we examine the most common pairs, explain their rationale, and indicate how well it is supported by data. Separately, we will focus on combinations that make no sense or require caution.

Collagen and vitamin C: the most logical pair

Collagen is the main structural protein of tendons, ligaments, and cartilage. Hydrolyzed collagen and undenatured type II collagen are sold as separate supplements and are often combined with HA in a single product. Theoretically this is logical, since in tissue collagen fibers and hyaluronan work together.

Vitamin C is a cofactor of the enzymes prolyl hydroxylase and lysyl hydroxylase, which are necessary for stabilizing the collagen molecule. This is a classic biochemical fact, so vitamin C is often added to "collagen" formulas. There is usually no vitamin C deficiency with a normal diet, but for people with a limited diet it is appropriate.

There are few direct, high-quality studies of the exact trio "HA + collagen + vitamin C" in athletes. Therefore such a combination should be regarded as a rational but unproven strategy. If you choose it, assess the result after at least 8–12 weeks.

A convenient practical option is to take collagen with HA in one dose and to get vitamin C from the diet (berries, citrus, peppers) or from the same formula. A separate "mega-dose" of vitamin C is not needed for this purpose.

Glucosamine, chondroitin, and MSM

Glucosamine and chondroitin are the best-known "chondroprotectors," and complexes with HA often contain them. However, it is precisely for them that the evidence base is contradictory: the large GAIT study (Clegg et al., 2006) did not show an advantage over placebo in the overall group of patients with knee osteoarthritis, although in the subgroup with moderate to severe pain a possible effect of the combination was observed.

MSM (methylsulfonylmethane) is a source of organic sulfur that has been studied in osteoarthritis and for recovery after exercise. In a number of small studies, MSM somewhat reduced pain. The combination with HA is found in many complexes, although this pair on its own has been poorly studied.

It is important to understand that adding each ingredient increases the number of capsules and the cost of the course. If a complex has 5–7 components in a total dose of 1 g, then there may be far less of each of them than was used in studies.

Editorial advice: check the amount of each component per serving. For reference, the table below shows the ranges that appeared in clinical work.

Omega-3, curcumin, and other "anti-inflammatory" partners

Omega-3 fatty acids (EPA and DHA) have a well-described effect on the synthesis of eicosanoids and resolvins, which is involved in the regulation of inflammation. For people who rarely eat fatty fish, omega-3 can be beneficial regardless of the joints, so combining them with HA is entirely appropriate.

Curcumin is another popular component of "joint" formulas. Its bioavailability on its own is low, so manufacturers use special forms or add piperine. Piperine can affect the metabolism of some medications, and this must be taken into account by people who take medicines.

Vitamin D and calcium are sometimes added to "joint and bone" complexes. They are important for bone tissue but have no direct relation to the mechanism of action of HA. Vitamin D should be taken based on the results of a 25(OH)D test, not "for company."

No clinically significant interactions have been described between HA and these substances. The problem with multi-component regimens is rather something else: when a person starts five supplements at once, it is impossible to understand what exactly helped or what caused discomfort.

Practical rules for combining

The first rule is to introduce new supplements gradually. Start with HA or with one basic complex, assess tolerability over 2–3 weeks, and only then add the next component. This makes it easier to notice both benefit and undesirable effects.

The second rule is not to duplicate ingredients. If HA is already in your collagen powder, separate HA capsules are probably redundant. Make a table of all supplements with their composition to see the total amounts.

The third rule is timing of intake. HA does not require a special schedule and combines well with food. It is more convenient to take it together with other "joint" components once a day so as not to miss it.

The fourth rule is to remember the basic factors: sufficient protein intake, body weight control, sensible increase of loads, and technique. No combination of supplements will compensate for chronic joint overload.

1. One new component at a time.
2. Checking the composition for duplication.
3. Assessing the effect after 8–12 weeks.
4. Consulting a doctor if pain worsens or swelling or restricted movement appears.

Editorial conclusions

Hyaluronic acid is most often combined with collagen, vitamin C, glucosamine, chondroitin, MSM, and omega-3. The rationale for these combinations is biologically logical, but there is little direct evidence of synergy.

The most rational combination appears to be HA with collagen and sufficient vitamin C intake. Other components are appropriate depending on diet and individual goals.

Choose products with a transparent composition and amounts close to those studied, introduce supplements gradually, and do not substitute them for medical diagnosis.

Read more in our materials "Myths About Hyaluronic Acid," "MSM: What It Is and How It Works," and "What to Combine MSM With."

References

1. Fraser JR, Laurent TC, Laurent UB. Hyaluronan: its nature, distribution, functions and turnover. J Intern Med. 1997;242(1):27–33.
2. Oe M, Tashiro T, Yoshida H, et al. Oral hyaluronan relieves knee pain: a review. Nutr J. 2016;15:11.
3. Kalman DS, Heimer M, Valdeon A, et al. Effect of a natural extract of chicken combs with a high content of hyaluronic acid (Hyal-Joint) on pain relief and quality of life in subjects with knee osteoarthritis: a pilot randomized double-blind placebo-controlled trial. Nutr J. 2008;7:3.
4. Clegg DO, Reda DJ, Harris CL, et al. Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis. N Engl J Med. 2006;354(8):795–808.
5. Usha PR, Naidu MU. Randomised, double-blind, parallel, placebo-controlled study of oral glucosamine, methylsulfonylmethane and their combination in osteoarthritis. Clin Drug Investig. 2004;24(6):353–363.
6. Butawan M, Benjamin RL, Bloomer RJ. Methylsulfonylmethane: applications and safety of a novel dietary supplement. Nutrients. 2017;9(3):290.
7. Bannuru RR, Osani MC, Vaysbrot EE, et al. OARSI guidelines for the non-surgical management of knee, hip, and polyarticular osteoarthritis. Osteoarthritis Cartilage. 2019;27(11):1578–1589.