VCS 400

Everything you need to know about VCS 400

Looking for a daily routine that doesn't mean a cupboard full of pots and powders? VC-S 400 is a food supplement in capsules for adults who want natural daily support, and it is built around a single capsule a day. The product is sold under the VC-S 400 brand, and its label is refreshingly open about what is inside.

The compact formula combines seven dosed active ingredients: a guarana extract (Paullinia cupana), two conditionally essential amino acids (L-arginine hydrochloride and L-glutamine), one essential branched-chain amino acid (L-leucine), an apple cider vinegar extract, and two trace elements, zinc as citrate and chromium as picolinate. The two minerals are the stars of the show on the regulatory side: zinc at 15 mg (150% NRV) and chromium at 40 µg (100% NRV) are the only ingredients with EU-authorised health claims.

The capsule shell is made of plant-based HPMC, so it suits people who prefer to avoid gelatine. The seller presents the product as 100% natural, with no additives beyond the filler and anti-caking agent listed on the label. If swallowing capsules is a problem, the capsule can be opened and its contents mixed into water.

It is worth being clear about what VC-S 400 is not. It is a food supplement, not a medicine. It does not replace a varied, balanced diet, a healthy lifestyle or any prescribed treatment. Think of it as one small, easy habit that sits alongside the rest of your day, ideally around lunch or dinner.

What is inside VCS 400

Ingredient	Dosage	Role
Guarana Extract (Paullinia cupana)	100 mg per daily dose of 1 capsule	Seed extract of an Amazonian plant traditionally consumed for its naturally occurring caffeine; no authorised health claim
L-Arginine HCl	100 mg per daily dose of 1 capsule	Conditionally essential amino acid, precursor of nitric oxide in the body; no authorised health claim
Apple Cider Vinegar Extract	100 mg per daily dose of 1 capsule	Concentrated extract of apple cider vinegar, a traditional kitchen ingredient often associated with mealtime routines; no authorised health claim
L-Glutamine	50 mg per daily dose of 1 capsule	The most abundant free amino acid in the body, naturally present in muscle tissue; no authorised health claim
L-Leucine	50 mg per daily dose of 1 capsule	Essential branched-chain amino acid (BCAA) obtained from food, a building block of proteins; no authorised health claim
Zinc (as citrate)	15 mg per daily dose of 1 capsule (150% NRV)	Trace mineral that contributes to normal carbohydrate, macronutrient and fatty acid metabolism, normal protein synthesis, normal fertility and reproduction, normal testosterone levels in the blood, normal cognitive function, the normal function of the immune system and the protection of cells from oxidative stress (EU-authorised claims)
Chromium (as picolinate)	40 µg per daily dose of 1 capsule (100% NRV)	Trace element that contributes to normal macronutrient metabolism and to the maintenance of normal blood glucose levels (EU-authorised claims)

Key benefits and what to expect

What can you actually expect from the label? Start with chromium. At 40 µg per capsule it covers 100% of the Nutrient Reference Value, and it contributes to the maintenance of normal blood glucose levels as well as to normal macronutrient metabolism.

Zinc is the most versatile ingredient here, at 15 mg or 150% NRV. It contributes to normal carbohydrate metabolism, normal macronutrient metabolism and normal metabolism of fatty acids, as well as normal acid-base metabolism and normal protein synthesis. It also contributes to normal DNA synthesis and to the process of cell division, and to the normal metabolism of vitamin A.

Beyond metabolism, zinc contributes to normal fertility and reproduction, to the maintenance of normal testosterone levels in the blood, and to normal cognitive function. It supports the normal function of the immune system, helps protect cells from oxidative stress, and contributes to the maintenance of normal skin, hair, nails, bones and vision.

One capsule delivers the full daily reference intake of both trace elements, in well-absorbed forms: zinc citrate and chromium picolinate. L-arginine, L-glutamine, L-leucine, guarana and apple cider vinegar extract complete the formula. They are presented for their composition and tradition of use, without health claims, and guarana provides a moderate amount of naturally occurring caffeine.

Practical points count too. It is a single capsule per day around a meal, the HPMC shell is plant-based, the capsule can be opened if needed, and the label lists every active with its exact quantity. According to the seller, there is no known effect on the contraceptive pill or on blood pressure, and no impact on the ability to drive or use machines.

Possible side effects to be aware of

VC-S 400 is generally well tolerated at the recommended dose. That said, no supplement suits absolutely everyone, so it is sensible to know what to watch for.

According to the seller, dry mouth is rare, affecting up to 1 user in 1,000. Some people may also notice mild digestive discomfort. This is usually reduced by taking the capsule with a meal and plenty of water, as the instructions suggest.

The formula contains caffeine from guarana. If you are sensitive to caffeine, it makes sense to take your capsule with lunch rather than dinner. If you notice anything unusual, stop using the product and seek medical advice.

Who should avoid it: precautions

VC-S 400 is intended for adults. It is not suitable for people under 18, and it is not recommended for pregnant or breastfeeding women. Anyone allergic to any component of the formula should avoid it.

If you take medication or are under medical treatment, speak to a healthcare professional before starting. The same goes if you have a pre-existing medical condition: consult your doctor first, and let them see the full ingredient list.

Do not exceed the recommended daily dose of one capsule. A food supplement is not a medicine and should never stand in for a varied, balanced diet and a healthy lifestyle. As with all supplements, keep it out of the reach of children.

How it works

How does a single capsule fit together? Start with the two minerals, because they carry the authorised claims. Zinc, at 15 mg, contributes to normal carbohydrate, macronutrient and fatty acid metabolism, to normal protein synthesis, and to the normal function of the immune system. It also helps protect cells from oxidative stress. Chromium, at 40 µg, contributes to normal macronutrient metabolism and to the maintenance of normal blood glucose levels. Both are offered in forms described as well absorbed: zinc citrate and chromium picolinate.

The amino acids play a different role. L-arginine is a conditionally essential amino acid, a precursor of nitric oxide in the body. L-glutamine is the most abundant free amino acid in the body and is naturally present in muscle tissue. L-leucine is an essential branched-chain amino acid that we get from food and that serves as a building block of proteins. At 100 mg, 50 mg and 50 mg respectively, they are included for their composition, and no health claim is made for them.

Finally, there are two plant-derived ingredients. Guarana is a seed extract from an Amazonian plant, traditionally consumed for its naturally occurring caffeine, which is why timing at lunch is suggested for sensitive people. Apple cider vinegar extract is a concentrated form of a traditional kitchen ingredient often linked with mealtime routines. Neither carries an authorised health claim, so the formula is best understood as two well-documented trace elements, supported by ingredients chosen for their tradition of use.

Your questions answered